SEC Info℠  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Delta Air Lines, Inc. – ‘10-Q’ for 9/30/17 – ‘EX-101.DEF’

On:  Wednesday, 10/11/17, at 4:19pm ET   ·   For:  9/30/17   ·   Accession #:  27904-17-17   ·   File #:  1-05424

Previous ‘10-Q’:  ‘10-Q’ on 7/13/17 for 6/30/17   ·   Next:  ‘10-Q’ on 4/12/18 for 3/31/18   ·   Latest:  ‘10-Q’ on 4/10/24 for 3/31/24   ·   4 References:   

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

  As Of               Filer                 Filing    For·On·As Docs:Size

10/11/17  Delta Air Lines, Inc.             10-Q        9/30/17   65:9.4M

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML    888K 
 2: EX-10.1     Material Contract                                   HTML   1.59M 
 3: EX-15       Letter re: Unaudited Interim Financial Info         HTML     20K 
 4: EX-31.1     Certification -- §302 - SOA'02                      HTML     25K 
 5: EX-31.2     Certification -- §302 - SOA'02                      HTML     25K 
 6: EX-32       Certification -- §906 - SOA'02                      HTML     23K 
13: R1          Document and Entity Information                     HTML     38K 
14: R2          Consolidated Balance Sheets (Unaudited)             HTML    123K 
15: R3          Consolidated Balance Sheets (Unaudited)             HTML     43K 
                (Parentheticals)                                                 
16: R4          Condensed Consolidated Statements of Operations     HTML     93K 
                and Comprehensive Income (Unaudited)                             
17: R5          Condensed Consolidated Statements of Cash Flows     HTML     71K 
                (Unaudited)                                                      
18: R6          Summary of Significant Accounting Policies          HTML     38K 
19: R7          Fair Value Measurements                             HTML     70K 
20: R8          Investments                                         HTML     38K 
21: R9          Derivatives and Risk Management                     HTML    106K 
22: R10         Long-Term Debt                                      HTML     35K 
23: R11         Employee Benefit Plans                              HTML     54K 
24: R12         Commitments and Contingencies                       HTML     45K 
25: R13         Accumulated Other Comprehensive Loss                HTML     49K 
26: R14         Segments                                            HTML    119K 
27: R15         Restructuring                                       HTML     26K 
28: R16         Earnings Per Share                                  HTML     43K 
29: R17         Summary of Significant Accounting Policies          HTML     37K 
                (Policies)                                                       
30: R18         Fair Value Measurements (Tables)                    HTML     60K 
31: R19         Investments (Tables)                                HTML     26K 
32: R20         Derivatives and Risk Management (Tables)            HTML    101K 
33: R21         Long-Term Debt (Tables)                             HTML     29K 
34: R22         Employee Benefit Plans (Tables)                     HTML     54K 
35: R23         Commitments and Contingencies (Tables)              HTML     34K 
36: R24         Accumulated Other Comprehensive Loss (Tables)       HTML     49K 
37: R25         Segments (Tables)                                   HTML    118K 
38: R26         Restructuring (Tables)                              HTML     26K 
39: R27         Earnings Per Share (Tables)                         HTML     43K 
40: R28         Summary of Significant Accounting Policies          HTML     29K 
                (Details)                                                        
41: R29         Fair Value Measurements - Schedule of Fair Value    HTML     64K 
                Measurements on a Recurring Basis (Details)                      
42: R30         Fair Value Measurements - Narrative (Details)       HTML     25K 
43: R31         Investments - Schedule of maturities for            HTML     31K 
                short-term investments (Details)                                 
44: R32         Investments - Narrative (Details)                   HTML     55K 
45: R33         Derivatives and Risk Management - Narrative         HTML     39K 
                (Details)                                                        
46: R34         Derivatives and Risk Management - Hedge Position    HTML     96K 
                (Details)                                                        
47: R35         Derivatives and Risk Management - Offsetting        HTML     38K 
                Assets and Liabilities (Details)                                 
48: R36         Derivatives and Risk Management - Designated Hedge  HTML     26K 
                Gains (Losses) (Details)                                         
49: R37         Long-Term Debt - Schedule of Fair Value of Debt     HTML     30K 
                (Details)                                                        
50: R38         Long-Term Debt - Narrative (Details)                HTML     36K 
51: R39         Employee Benefit Plans - Schedule of Benefit Plan   HTML     41K 
                Components (Details)                                             
52: R40         Commitments and Contingencies - Aircraft Purchase   HTML     37K 
                Commitments By Period (Details)                                  
53: R41         Commitments and Contingencies - Aircraft Purchase   HTML     33K 
                Commitments By Aircraft (Details)                                
54: R42         Commitments and Contingencies - Aircraft Purchase   HTML     36K 
                Commitments Activity (Details)                                   
55: R43         Commitments and Contingencies - Legal and Other     HTML     24K 
                Contingencies (Details)                                          
56: R44         Accumulated Other Comprehensive Loss - Schedule of  HTML     50K 
                AOCI Components (Details)                                        
57: R45         Segments - Narrative (Details)                      HTML     25K 
58: R46         Segments - Schedule of Segment Reporting (Details)  HTML     53K 
59: R47         Restructuring - Schedule of Restructuring Charges   HTML     28K 
                (Details)                                                        
60: R48         Restructuring - Narrative (Details)                 HTML     22K 
61: R49         Earnings Per Share - Schedule of Computation for    HTML     39K 
                Earnings Per Share Types (Details)                               
63: XML         IDEA XML File -- Filing Summary                      XML    110K 
12: XML         XBRL Instance -- dal930201710q_htm                   XML   1.56M 
62: EXCEL       IDEA Workbook of Financial Reports                  XLSX     58K 
 8: EX-101.CAL  XBRL Calculations -- dal-20170930_cal                XML    188K 
 9: EX-101.DEF  XBRL Definitions -- dal-20170930_def                 XML    418K 
10: EX-101.LAB  XBRL Labels -- dal-20170930_lab                      XML   1.10M 
11: EX-101.PRE  XBRL Presentations -- dal-20170930_pre               XML    649K 
 7: EX-101.SCH  XBRL Schema -- dal-20170930                          XSD    105K 
64: JSON        XBRL Instance as JSON Data -- MetaLinks              257±   380K 
65: ZIP         XBRL Zipped Folder -- 0000027904-17-000017-xbrl      Zip    498K

‘EX-101.DEF’   —   XBRL Definitions — dal-20170930_def

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva -->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<link:roleRef roleURI="http://www.delta.com/role/AccumulatedOtherComprehensiveLoss" xlink:href="dal-20170930.xsd#AccumulatedOtherComprehensiveLoss" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/AccumulatedOtherComprehensiveLossScheduleOfAociComponentsDetails" xlink:href="dal-20170930.xsd#AccumulatedOtherComprehensiveLossScheduleOfAociComponentsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/AccumulatedOtherComprehensiveLossTables" xlink:href="dal-20170930.xsd#AccumulatedOtherComprehensiveLossTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/CommitmentsAndContingencies" xlink:href="dal-20170930.xsd#CommitmentsAndContingencies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/CommitmentsAndContingenciesAircraftPurchaseCommitmentsActivityDetails" xlink:href="dal-20170930.xsd#CommitmentsAndContingenciesAircraftPurchaseCommitmentsActivityDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/CommitmentsAndContingenciesAircraftPurchaseCommitmentsByAircraftDetails" xlink:href="dal-20170930.xsd#CommitmentsAndContingenciesAircraftPurchaseCommitmentsByAircraftDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/CommitmentsAndContingenciesAircraftPurchaseCommitmentsByPeriodDetails" xlink:href="dal-20170930.xsd#CommitmentsAndContingenciesAircraftPurchaseCommitmentsByPeriodDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/CommitmentsAndContingenciesLegalAndOtherContingenciesDetails" xlink:href="dal-20170930.xsd#CommitmentsAndContingenciesLegalAndOtherContingenciesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/CommitmentsAndContingenciesTables" xlink:href="dal-20170930.xsd#CommitmentsAndContingenciesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:href="dal-20170930.xsd#CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/CondensedConsolidatedStatementsOfOperationsAndComprehensiveIncomeUnaudited" xlink:href="dal-20170930.xsd#CondensedConsolidatedStatementsOfOperationsAndComprehensiveIncomeUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/ConsolidatedBalanceSheetsUnaudited" xlink:href="dal-20170930.xsd#ConsolidatedBalanceSheetsUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/ConsolidatedBalanceSheetsUnauditedParentheticals" xlink:href="dal-20170930.xsd#ConsolidatedBalanceSheetsUnauditedParentheticals" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/DerivativesAndRiskManagement" xlink:href="dal-20170930.xsd#DerivativesAndRiskManagement" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/DerivativesAndRiskManagementDesignatedHedgeGainsLossesDetails" xlink:href="dal-20170930.xsd#DerivativesAndRiskManagementDesignatedHedgeGainsLossesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/DerivativesAndRiskManagementHedgePositionDetails" xlink:href="dal-20170930.xsd#DerivativesAndRiskManagementHedgePositionDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/DerivativesAndRiskManagementNarrativeDetails" xlink:href="dal-20170930.xsd#DerivativesAndRiskManagementNarrativeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/DerivativesAndRiskManagementOffsettingAssetsAndLiabilitiesDetails" xlink:href="dal-20170930.xsd#DerivativesAndRiskManagementOffsettingAssetsAndLiabilitiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/DerivativesAndRiskManagementTables" xlink:href="dal-20170930.xsd#DerivativesAndRiskManagementTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/DocumentAndEntityInformation" xlink:href="dal-20170930.xsd#DocumentAndEntityInformation" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/EarningsPerShare" xlink:href="dal-20170930.xsd#EarningsPerShare" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/EarningsPerShareScheduleOfComputationForEarningsPerShareTypesDetails" xlink:href="dal-20170930.xsd#EarningsPerShareScheduleOfComputationForEarningsPerShareTypesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/EarningsPerShareTables" xlink:href="dal-20170930.xsd#EarningsPerShareTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/EmployeeBenefitPlans" xlink:href="dal-20170930.xsd#EmployeeBenefitPlans" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/EmployeeBenefitPlansScheduleOfBenefitPlanComponentsDetails" xlink:href="dal-20170930.xsd#EmployeeBenefitPlansScheduleOfBenefitPlanComponentsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/EmployeeBenefitPlansTables" xlink:href="dal-20170930.xsd#EmployeeBenefitPlansTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/FairValueMeasurements" xlink:href="dal-20170930.xsd#FairValueMeasurements" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/FairValueMeasurementsNarrativeDetails" xlink:href="dal-20170930.xsd#FairValueMeasurementsNarrativeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/FairValueMeasurementsScheduleOfFairValueMeasurementsOnRecurringBasisDetails" xlink:href="dal-20170930.xsd#FairValueMeasurementsScheduleOfFairValueMeasurementsOnRecurringBasisDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/FairValueMeasurementsTables" xlink:href="dal-20170930.xsd#FairValueMeasurementsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/Investments" xlink:href="dal-20170930.xsd#Investments" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/InvestmentsNarrativeDetails" xlink:href="dal-20170930.xsd#InvestmentsNarrativeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/InvestmentsScheduleOfMaturitiesForShortTermInvestmentsDetails" xlink:href="dal-20170930.xsd#InvestmentsScheduleOfMaturitiesForShortTermInvestmentsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/InvestmentsTables" xlink:href="dal-20170930.xsd#InvestmentsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/LongTermDebt" xlink:href="dal-20170930.xsd#LongTermDebt" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/LongTermDebtNarrativeDetails" xlink:href="dal-20170930.xsd#LongTermDebtNarrativeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/LongTermDebtScheduleOfFairValueOfDebtDetails" xlink:href="dal-20170930.xsd#LongTermDebtScheduleOfFairValueOfDebtDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/LongTermDebtTables" xlink:href="dal-20170930.xsd#LongTermDebtTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/Restructuring" xlink:href="dal-20170930.xsd#Restructuring" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/RestructuringNarrativeDetails" xlink:href="dal-20170930.xsd#RestructuringNarrativeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/RestructuringScheduleOfRestructuringChargesDetails" xlink:href="dal-20170930.xsd#RestructuringScheduleOfRestructuringChargesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/RestructuringTables" xlink:href="dal-20170930.xsd#RestructuringTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/Segments" xlink:href="dal-20170930.xsd#Segments" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/SegmentsNarrativeDetails" xlink:href="dal-20170930.xsd#SegmentsNarrativeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/SegmentsScheduleOfSegmentReportingDetails" xlink:href="dal-20170930.xsd#SegmentsScheduleOfSegmentReportingDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/SegmentsTables" xlink:href="dal-20170930.xsd#SegmentsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="dal-20170930.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:href="dal-20170930.xsd#SummaryOfSignificantAccountingPoliciesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.delta.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="dal-20170930.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple"/>
<link:definitionLink xlink:role="http://www.delta.com/role/AccumulatedOtherComprehensiveLoss" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/AccumulatedOtherComprehensiveLossScheduleOfAociComponentsDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_F209A9855F720A72E1E6F3197B7DB979" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_BB8FC456BFD67CE463B2F3197B7D7FC7" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_F209A9855F720A72E1E6F3197B7DB979" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_BB8FC456BFD67CE463B2F3197B7D7FC7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_94A7B3D1E18578A4B50CF3197B7DE3FC" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_BB8FC456BFD67CE463B2F3197B7D7FC7" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_94A7B3D1E18578A4B50CF3197B7DE3FC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_3A235990711CB5A8FADAF3197B7DF6E8_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_94A7B3D1E18578A4B50CF3197B7DE3FC" xlink:to="loc_us-gaap_EquityComponentDomain_3A235990711CB5A8FADAF3197B7DF6E8_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_3A235990711CB5A8FADAF3197B7DF6E8" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_94A7B3D1E18578A4B50CF3197B7DE3FC" xlink:to="loc_us-gaap_EquityComponentDomain_3A235990711CB5A8FADAF3197B7DF6E8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_15D8091A2C9A9076AFB1F3197B7D9AD1" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_3A235990711CB5A8FADAF3197B7DF6E8" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_15D8091A2C9A9076AFB1F3197B7D9AD1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_6BEA2C54472F6E4FFD57F3197B7D40A0" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_15D8091A2C9A9076AFB1F3197B7D9AD1" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_6BEA2C54472F6E4FFD57F3197B7D40A0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_95717E4B2196700748CEF3197B7D7374" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_15D8091A2C9A9076AFB1F3197B7D9AD1" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_95717E4B2196700748CEF3197B7D7374" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_E7E170475D3DAC889332F3197B7D7BE6" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_15D8091A2C9A9076AFB1F3197B7D9AD1" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_E7E170475D3DAC889332F3197B7D7BE6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_E3DEA8A6196700A333FDF3197B7D84E6" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_F209A9855F720A72E1E6F3197B7DB979" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_E3DEA8A6196700A333FDF3197B7D84E6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_C3171F9AAB93C5D24F1FF3197B7D5189" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_E3DEA8A6196700A333FDF3197B7D84E6" xlink:to="loc_us-gaap_StockholdersEquity_C3171F9AAB93C5D24F1FF3197B7D5189" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_79BA2043A1A86875AE45F3197B7E279D" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_E3DEA8A6196700A333FDF3197B7D84E6" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_79BA2043A1A86875AE45F3197B7E279D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_17059D5C1C63701509ABF3197B7E0A8D" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_E3DEA8A6196700A333FDF3197B7D84E6" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_17059D5C1C63701509ABF3197B7E0A8D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AociTaxAttributableToParent" xlink:label="loc_us-gaap_AociTaxAttributableToParent_CF2D0718AFB2E177245CF33E7019BF5D" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_F209A9855F720A72E1E6F3197B7DB979" xlink:to="loc_us-gaap_AociTaxAttributableToParent_CF2D0718AFB2E177245CF33E7019BF5D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_D9E09163299A2F54B447F3197B7E6E78" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_F209A9855F720A72E1E6F3197B7DB979" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_D9E09163299A2F54B447F3197B7E6E78" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationFromAociCurrentPeriodTax" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_3009350C6C9B8316849FF3197B7E1E0D" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_F209A9855F720A72E1E6F3197B7DB979" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_3009350C6C9B8316849FF3197B7E1E0D" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_DeferredIncomeTaxExpenseBenefitPensionObligation" xlink:label="loc_dal_DeferredIncomeTaxExpenseBenefitPensionObligation_0E97D5D7631894B4474DF3197B7E0666" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_F209A9855F720A72E1E6F3197B7DB979" xlink:to="loc_dal_DeferredIncomeTaxExpenseBenefitPensionObligation_0E97D5D7631894B4474DF3197B7E0666" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/AccumulatedOtherComprehensiveLossTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/CommitmentsAndContingencies" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/CommitmentsAndContingenciesAircraftPurchaseCommitmentsActivityDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_E16858F285E1206AA4A7FD303BF0BF47" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationTable" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_595AA72A47E4C362E0BDFD303BEF9B97" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_E16858F285E1206AA4A7FD303BF0BF47" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_595AA72A47E4C362E0BDFD303BEF9B97" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_9D45F19B67756A58C0B3FD303BEF34BD" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_595AA72A47E4C362E0BDFD303BEF9B97" xlink:to="loc_us-gaap_RangeAxis_9D45F19B67756A58C0B3FD303BEF34BD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_0C528F783CB6B95C8394FD303BEF3E23_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_9D45F19B67756A58C0B3FD303BEF34BD" xlink:to="loc_us-gaap_RangeMember_0C528F783CB6B95C8394FD303BEF3E23_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_0C528F783CB6B95C8394FD303BEF3E23" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_9D45F19B67756A58C0B3FD303BEF34BD" xlink:to="loc_us-gaap_RangeMember_0C528F783CB6B95C8394FD303BEF3E23" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_EC0176745955F0FAFBEBFD303BEF68C5" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_0C528F783CB6B95C8394FD303BEF3E23" xlink:to="loc_us-gaap_MaximumMember_EC0176745955F0FAFBEBFD303BEF68C5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_C1F1758FD51C38551245FD303BEF3B04" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_0C528F783CB6B95C8394FD303BEF3E23" xlink:to="loc_us-gaap_MinimumMember_C1F1758FD51C38551245FD303BEF3B04" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AircraftTypeAxis" xlink:label="loc_us-gaap_AircraftTypeAxis_C8E5B4CEA383D471BA9EFD303BEFE4B4" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_595AA72A47E4C362E0BDFD303BEF9B97" xlink:to="loc_us-gaap_AircraftTypeAxis_C8E5B4CEA383D471BA9EFD303BEFE4B4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AircraftTypeMember" xlink:label="loc_us-gaap_AircraftTypeMember_3AF9F33498753F0C5C4FFD303BEF41C0_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AircraftTypeAxis_C8E5B4CEA383D471BA9EFD303BEFE4B4" xlink:to="loc_us-gaap_AircraftTypeMember_3AF9F33498753F0C5C4FFD303BEF41C0_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AircraftTypeMember" xlink:label="loc_us-gaap_AircraftTypeMember_3AF9F33498753F0C5C4FFD303BEF41C0" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AircraftTypeAxis_C8E5B4CEA383D471BA9EFD303BEFE4B4" xlink:to="loc_us-gaap_AircraftTypeMember_3AF9F33498753F0C5C4FFD303BEF41C0" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_A321200Member" xlink:label="loc_dal_A321200Member_ABF233D2A857BF03E824FD303BEF2515" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AircraftTypeMember_3AF9F33498753F0C5C4FFD303BEF41C0" xlink:to="loc_dal_A321200Member_ABF233D2A857BF03E824FD303BEF2515" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_A350900Member" xlink:label="loc_dal_A350900Member_384A34CF5EB757FC1964FD303BF07DC4" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AircraftTypeMember_3AF9F33498753F0C5C4FFD303BEF41C0" xlink:to="loc_dal_A350900Member_384A34CF5EB757FC1964FD303BF07DC4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_C60CBEC6B4CDA2AD7B36FD303BF0D97D" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_595AA72A47E4C362E0BDFD303BEF9B97" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_C60CBEC6B4CDA2AD7B36FD303BF0D97D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_8D86E69F26DA64C8CB25FD303BF03E21_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_C60CBEC6B4CDA2AD7B36FD303BF0D97D" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_8D86E69F26DA64C8CB25FD303BF03E21_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_8D86E69F26DA64C8CB25FD303BF03E21" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_C60CBEC6B4CDA2AD7B36FD303BF0D97D" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_8D86E69F26DA64C8CB25FD303BF03E21" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalAdditionsMember" xlink:label="loc_us-gaap_CapitalAdditionsMember_80290F6E5BE50B3F3DCCFD303BF0B050" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_8D86E69F26DA64C8CB25FD303BF03E21" xlink:to="loc_us-gaap_CapitalAdditionsMember_80290F6E5BE50B3F3DCCFD303BF0B050" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_UnrecordedUnconditionalPurchaseObligationPeriodQuantityIncreaseDecrease" xlink:label="loc_dal_UnrecordedUnconditionalPurchaseObligationPeriodQuantityIncreaseDecrease_9732E04B7EA0F1A96719FD303BF0B9B4" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_E16858F285E1206AA4A7FD303BF0BF47" xlink:to="loc_dal_UnrecordedUnconditionalPurchaseObligationPeriodQuantityIncreaseDecrease_9732E04B7EA0F1A96719FD303BF0B9B4" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_UnrecordedUnconditionalPurchaseObligationPeriodQuantityDeferred" xlink:label="loc_dal_UnrecordedUnconditionalPurchaseObligationPeriodQuantityDeferred_6346B36988C91669C04CFD303BF04F49" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_E16858F285E1206AA4A7FD303BF0BF47" xlink:to="loc_dal_UnrecordedUnconditionalPurchaseObligationPeriodQuantityDeferred_6346B36988C91669C04CFD303BF04F49" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired_073C13CB58B27DB8E538FD303BF0DA25" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_E16858F285E1206AA4A7FD303BF0BF47" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired_073C13CB58B27DB8E538FD303BF0DA25" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_UnrecordedUnconditionalPurchaseObligationPeriodOfDeferment" xlink:label="loc_dal_UnrecordedUnconditionalPurchaseObligationPeriodOfDeferment_57BF55A8B63F78C82C22FD303BF003FD" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_E16858F285E1206AA4A7FD303BF0BF47" xlink:to="loc_dal_UnrecordedUnconditionalPurchaseObligationPeriodOfDeferment_57BF55A8B63F78C82C22FD303BF003FD" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/CommitmentsAndContingenciesAircraftPurchaseCommitmentsByAircraftDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_52F5434E82E816C93B5C95E341B915D2" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationTable" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_8C49AE65DCEE85E706F095E341B91067" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_52F5434E82E816C93B5C95E341B915D2" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_8C49AE65DCEE85E706F095E341B91067" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AircraftTypeAxis" xlink:label="loc_us-gaap_AircraftTypeAxis_8A7CE3A79E1F8AE54FA995E341B9D86D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_8C49AE65DCEE85E706F095E341B91067" xlink:to="loc_us-gaap_AircraftTypeAxis_8A7CE3A79E1F8AE54FA995E341B9D86D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AircraftTypeMember" xlink:label="loc_us-gaap_AircraftTypeMember_4545117CB6980AA6E86995E341B930D1_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AircraftTypeAxis_8A7CE3A79E1F8AE54FA995E341B9D86D" xlink:to="loc_us-gaap_AircraftTypeMember_4545117CB6980AA6E86995E341B930D1_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AircraftTypeMember" xlink:label="loc_us-gaap_AircraftTypeMember_4545117CB6980AA6E86995E341B930D1" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AircraftTypeAxis_8A7CE3A79E1F8AE54FA995E341B9D86D" xlink:to="loc_us-gaap_AircraftTypeMember_4545117CB6980AA6E86995E341B930D1" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_B737900ErMember" xlink:label="loc_dal_B737900ErMember_9CFB984B96975C1A576295E341B905BE" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AircraftTypeMember_4545117CB6980AA6E86995E341B930D1" xlink:to="loc_dal_B737900ErMember_9CFB984B96975C1A576295E341B905BE" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_A321200Member" xlink:label="loc_dal_A321200Member_6D511FEAA8EC60F3895395E341B982DB" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AircraftTypeMember_4545117CB6980AA6E86995E341B930D1" xlink:to="loc_dal_A321200Member_6D511FEAA8EC60F3895395E341B982DB" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_A330900NEODomain" xlink:label="loc_dal_A330900NEODomain_BEC2521902591F33C80795E341B9A411" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AircraftTypeMember_4545117CB6980AA6E86995E341B930D1" xlink:to="loc_dal_A330900NEODomain_BEC2521902591F33C80795E341B9A411" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_A350900Member" xlink:label="loc_dal_A350900Member_BBD6053E76F279E8E66C95E341B96827" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AircraftTypeMember_4545117CB6980AA6E86995E341B930D1" xlink:to="loc_dal_A350900Member_BBD6053E76F279E8E66C95E341B96827" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_CS100Member" xlink:label="loc_dal_CS100Member_2DAB305B329AFF2E9DA995E341B9E580" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AircraftTypeMember_4545117CB6980AA6E86995E341B930D1" xlink:to="loc_dal_CS100Member_2DAB305B329AFF2E9DA995E341B9E580" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_62E33B34CBE1D236FE5695E341B9BCF0" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_8C49AE65DCEE85E706F095E341B91067" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_62E33B34CBE1D236FE5695E341B9BCF0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_455746FDE98DEFBDCB1E95E341B97A0E_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_62E33B34CBE1D236FE5695E341B9BCF0" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_455746FDE98DEFBDCB1E95E341B97A0E_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_455746FDE98DEFBDCB1E95E341B97A0E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_62E33B34CBE1D236FE5695E341B9BCF0" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_455746FDE98DEFBDCB1E95E341B97A0E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalAdditionsMember" xlink:label="loc_us-gaap_CapitalAdditionsMember_F1A759AD80C72FD734C895E341B97D28" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_455746FDE98DEFBDCB1E95E341B97A0E" xlink:to="loc_us-gaap_CapitalAdditionsMember_F1A759AD80C72FD734C895E341B97D28" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired_632D1A057C79878835EA95E341B96393" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_52F5434E82E816C93B5C95E341B915D2" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired_632D1A057C79878835EA95E341B96393" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/CommitmentsAndContingenciesAircraftPurchaseCommitmentsByPeriodDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_5457D698169B08522A2495E4D2E9BD2E" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationTable" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_8FDC97C7ECF16E22C35D95E4D2E9CACE" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_5457D698169B08522A2495E4D2E9BD2E" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_8FDC97C7ECF16E22C35D95E4D2E9CACE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_900E2B7E3C9608095C2795E4D2E9198D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_8FDC97C7ECF16E22C35D95E4D2E9CACE" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_900E2B7E3C9608095C2795E4D2E9198D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_2B8EAC936401CDAF850B95E4D2E9CFFB_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_900E2B7E3C9608095C2795E4D2E9198D" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_2B8EAC936401CDAF850B95E4D2E9CFFB_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_2B8EAC936401CDAF850B95E4D2E9CFFB" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_900E2B7E3C9608095C2795E4D2E9198D" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_2B8EAC936401CDAF850B95E4D2E9CFFB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalAdditionsMember" xlink:label="loc_us-gaap_CapitalAdditionsMember_79AB694E4646607633A395E4D2E9A252" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_2B8EAC936401CDAF850B95E4D2E9CFFB" xlink:to="loc_us-gaap_CapitalAdditionsMember_79AB694E4646607633A395E4D2E9A252" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_486641E18F5A2DB4F33195E4D2E9407B" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_5457D698169B08522A2495E4D2E9BD2E" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_486641E18F5A2DB4F33195E4D2E9407B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear_BFDB57968A4FB0AE4AB595E4D2EAC9FD" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_486641E18F5A2DB4F33195E4D2E9407B" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear_BFDB57968A4FB0AE4AB595E4D2EAC9FD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_539FC0E1508CF2903FD195E4D2EA4419" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_486641E18F5A2DB4F33195E4D2E9407B" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_539FC0E1508CF2903FD195E4D2EA4419" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_2433BD6DBD1F7D2F1EB495E4D2EAFF5E" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_486641E18F5A2DB4F33195E4D2E9407B" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_2433BD6DBD1F7D2F1EB495E4D2EAFF5E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_1DAAA7900A2E4AE0881095E4D2EAD774" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_486641E18F5A2DB4F33195E4D2E9407B" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_1DAAA7900A2E4AE0881095E4D2EAD774" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_FF9077B248C97911C00695E4D2EA4E98" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_486641E18F5A2DB4F33195E4D2E9407B" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_FF9077B248C97911C00695E4D2EA4E98" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_63969018FED5BDEB49D395E4D2EA5247" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_486641E18F5A2DB4F33195E4D2E9407B" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_63969018FED5BDEB49D395E4D2EA5247" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_F1F1B32E92FFE4C0A0B995E4D2EA86E0" xlink:type="locator"/>
<link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_486641E18F5A2DB4F33195E4D2E9407B" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_F1F1B32E92FFE4C0A0B995E4D2EA86E0" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/CommitmentsAndContingenciesLegalAndOtherContingenciesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GuaranteeObligationsLineItems" xlink:label="loc_us-gaap_GuaranteeObligationsLineItems_36037016E4D1A3AA1DD207B779609578" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:label="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_4CA4320A80E986457DCD07B77960F3E1" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_36037016E4D1A3AA1DD207B779609578" xlink:to="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_4CA4320A80E986457DCD07B77960F3E1" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_3D4CAF352F483CB33DA007B7796040AC" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_4CA4320A80E986457DCD07B77960F3E1" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_3D4CAF352F483CB33DA007B7796040AC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_C92460ED529AA81B204407B779605F62_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_3D4CAF352F483CB33DA007B7796040AC" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_C92460ED529AA81B204407B779605F62_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_C92460ED529AA81B204407B779605F62" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_3D4CAF352F483CB33DA007B7796040AC" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_C92460ED529AA81B204407B779605F62" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialGuaranteeMember" xlink:label="loc_us-gaap_FinancialGuaranteeMember_DA45B84C3B63FE9CE86707B77960EFAA" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_C92460ED529AA81B204407B779605F62" xlink:to="loc_us-gaap_FinancialGuaranteeMember_DA45B84C3B63FE9CE86707B77960EFAA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnderlyingAssetClassAxis" xlink:label="loc_us-gaap_UnderlyingAssetClassAxis_89E6ADEF6EDA9C1F370A07B77960818A" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_4CA4320A80E986457DCD07B77960F3E1" xlink:to="loc_us-gaap_UnderlyingAssetClassAxis_89E6ADEF6EDA9C1F370A07B77960818A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnderlyingAssetClassDomain" xlink:label="loc_us-gaap_UnderlyingAssetClassDomain_8A313F865C0FF7B0589E07B77960B7B2_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_UnderlyingAssetClassAxis_89E6ADEF6EDA9C1F370A07B77960818A" xlink:to="loc_us-gaap_UnderlyingAssetClassDomain_8A313F865C0FF7B0589E07B77960B7B2_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnderlyingAssetClassDomain" xlink:label="loc_us-gaap_UnderlyingAssetClassDomain_8A313F865C0FF7B0589E07B77960B7B2" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_UnderlyingAssetClassAxis_89E6ADEF6EDA9C1F370A07B77960818A" xlink:to="loc_us-gaap_UnderlyingAssetClassDomain_8A313F865C0FF7B0589E07B77960B7B2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtSecuritiesPayableMember" xlink:label="loc_us-gaap_DebtSecuritiesPayableMember_193944D6A94C80787CD907B779607F19" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnderlyingAssetClassDomain_8A313F865C0FF7B0589E07B77960B7B2" xlink:to="loc_us-gaap_DebtSecuritiesPayableMember_193944D6A94C80787CD907B779607F19" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_A61AB76E09AC65AB2B6307B77961CC2B" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_36037016E4D1A3AA1DD207B779609578" xlink:to="loc_us-gaap_GuaranteeObligationsMaximumExposure_A61AB76E09AC65AB2B6307B77961CC2B" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/CommitmentsAndContingenciesTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/CondensedConsolidatedStatementsOfOperationsAndComprehensiveIncomeUnaudited" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/ConsolidatedBalanceSheetsUnaudited" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/ConsolidatedBalanceSheetsUnauditedParentheticals" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/DerivativesAndRiskManagement" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/DerivativesAndRiskManagementDesignatedHedgeGainsLossesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_AC255839104A2789B8B095E34287FBF2" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_633E6C9D476A3B994F3E95E34287573D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_AC255839104A2789B8B095E34287FBF2" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_633E6C9D476A3B994F3E95E34287573D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_E9B7E1A4944F4996D28495E342870CC8" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_633E6C9D476A3B994F3E95E34287573D" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_E9B7E1A4944F4996D28495E342870CC8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_470E01A03C3B4A76997695E34287A751_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_E9B7E1A4944F4996D28495E342870CC8" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_470E01A03C3B4A76997695E34287A751_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_470E01A03C3B4A76997695E34287A751" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_E9B7E1A4944F4996D28495E342870CC8" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_470E01A03C3B4A76997695E34287A751" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_7DECAC47955694EC5BC295E34287E7DE" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_470E01A03C3B4A76997695E34287A751" xlink:to="loc_us-gaap_ForeignExchangeContractMember_7DECAC47955694EC5BC295E34287E7DE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNetAbstract" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNetAbstract_46B208DAB586F0CE6ADA95E3428752E7" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_AC255839104A2789B8B095E34287FBF2" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNetAbstract_46B208DAB586F0CE6ADA95E3428752E7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_281BF11DA25FF9DA92DC95E342873442" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNetAbstract_46B208DAB586F0CE6ADA95E3428752E7" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_281BF11DA25FF9DA92DC95E342873442" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_33DBD3B0C97871987D3895E34287F49D" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNetAbstract_46B208DAB586F0CE6ADA95E3428752E7" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_33DBD3B0C97871987D3895E34287F49D" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/DerivativesAndRiskManagementHedgePositionDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_DC60FEF319C3E885D575F2B667AEC8E6" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_DC60FEF319C3E885D575F2B667AEC8E6" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_039EEA7F24D74F0E0876F2B667AE67EE" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_DC60FEF319C3E885D575F2B667AEC8E6" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_039EEA7F24D74F0E0876F2B667AE67EE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_6F1B41393F9FA425CF93F2B667AE2D11_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_039EEA7F24D74F0E0876F2B667AE67EE" xlink:to="loc_us-gaap_HedgingRelationshipDomain_6F1B41393F9FA425CF93F2B667AE2D11_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_6F1B41393F9FA425CF93F2B667AE2D11" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_039EEA7F24D74F0E0876F2B667AE67EE" xlink:to="loc_us-gaap_HedgingRelationshipDomain_6F1B41393F9FA425CF93F2B667AE2D11" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueHedgingMember" xlink:label="loc_us-gaap_FairValueHedgingMember_C42B8E8515BF6F05C916F2B667AE9252" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_6F1B41393F9FA425CF93F2B667AE2D11" xlink:to="loc_us-gaap_FairValueHedgingMember_C42B8E8515BF6F05C916F2B667AE9252" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="loc_us-gaap_CashFlowHedgingMember_9DDBA85BD0CBA5A8DD30F2B667AEC175" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_6F1B41393F9FA425CF93F2B667AE2D11" xlink:to="loc_us-gaap_CashFlowHedgingMember_9DDBA85BD0CBA5A8DD30F2B667AEC175" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_4D84FCDDFA1C9A4EB889F2B667AE8466" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_DC60FEF319C3E885D575F2B667AEC8E6" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_4D84FCDDFA1C9A4EB889F2B667AE8466" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_B4B2FCE851DE31546B40F2B667AE5A1E_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_4D84FCDDFA1C9A4EB889F2B667AE8466" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_B4B2FCE851DE31546B40F2B667AE5A1E_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_B4B2FCE851DE31546B40F2B667AE5A1E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_4D84FCDDFA1C9A4EB889F2B667AE8466" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_B4B2FCE851DE31546B40F2B667AE5A1E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_B7D6F0B84843EE3737F8F2B667AED96E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_B4B2FCE851DE31546B40F2B667AE5A1E" xlink:to="loc_us-gaap_InterestRateContractMember_B7D6F0B84843EE3737F8F2B667AED96E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_F0BC6C738323790BB421F2B667AF7653" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_B4B2FCE851DE31546B40F2B667AE5A1E" xlink:to="loc_us-gaap_ForeignExchangeContractMember_F0BC6C738323790BB421F2B667AF7653" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="loc_us-gaap_CommodityContractMember_A8BFB07F72B400B969A0F2B667AFA44B" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_B4B2FCE851DE31546B40F2B667AE5A1E" xlink:to="loc_us-gaap_CommodityContractMember_A8BFB07F72B400B969A0F2B667AFA44B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_29787D5B737B3FF6F991F2B667AF25BA" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_DC60FEF319C3E885D575F2B667AEC8E6" xlink:to="loc_us-gaap_HedgingDesignationAxis_29787D5B737B3FF6F991F2B667AF25BA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_2E3807F3FB63FF0C07CDF2B667AFC941_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_29787D5B737B3FF6F991F2B667AF25BA" xlink:to="loc_us-gaap_HedgingDesignationDomain_2E3807F3FB63FF0C07CDF2B667AFC941_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_2E3807F3FB63FF0C07CDF2B667AFC941" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_29787D5B737B3FF6F991F2B667AF25BA" xlink:to="loc_us-gaap_HedgingDesignationDomain_2E3807F3FB63FF0C07CDF2B667AFC941" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_9C4A2EC8BF62040D25F7F2B667AF2105" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_2E3807F3FB63FF0C07CDF2B667AFC941" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_9C4A2EC8BF62040D25F7F2B667AF2105" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_EB4ECFEFBB7D71947C59F2B667AFB8A3" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_2E3807F3FB63FF0C07CDF2B667AFC941" xlink:to="loc_us-gaap_NondesignatedMember_EB4ECFEFBB7D71947C59F2B667AFB8A3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_0FEADFC689DB958A257BF2B667AF01F4" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_DC60FEF319C3E885D575F2B667AEC8E6" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_0FEADFC689DB958A257BF2B667AF01F4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_B31BC1982711B71C020EF2B667AF1895_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_0FEADFC689DB958A257BF2B667AF01F4" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_B31BC1982711B71C020EF2B667AF1895_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_B31BC1982711B71C020EF2B667AF1895" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_0FEADFC689DB958A257BF2B667AF01F4" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_B31BC1982711B71C020EF2B667AF1895" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCurrentAssetsMember" xlink:label="loc_us-gaap_OtherCurrentAssetsMember_557260EF59317150391BF2B667AFDAD1" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_B31BC1982711B71C020EF2B667AF1895" xlink:to="loc_us-gaap_OtherCurrentAssetsMember_557260EF59317150391BF2B667AFDAD1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_F4C0DEC5EE7BECC717A4F2B667AF4598" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_B31BC1982711B71C020EF2B667AF1895" xlink:to="loc_us-gaap_OtherAssetsMember_F4C0DEC5EE7BECC717A4F2B667AF4598" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCurrentLiabilitiesMember" xlink:label="loc_us-gaap_OtherCurrentLiabilitiesMember_FB45FA1D0F4D30E766E3F2B667AF11C2" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_B31BC1982711B71C020EF2B667AF1895" xlink:to="loc_us-gaap_OtherCurrentLiabilitiesMember_FB45FA1D0F4D30E766E3F2B667AF11C2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesMember" xlink:label="loc_us-gaap_OtherLiabilitiesMember_99F61FD6A8A2FC8EEE37F2B667AFE2D3" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_B31BC1982711B71C020EF2B667AF1895" xlink:to="loc_us-gaap_OtherLiabilitiesMember_99F61FD6A8A2FC8EEE37F2B667AFE2D3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_4DD7880BAB4F50EA5EA2F2B667B0640A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_invest_DerivativeNotionalAmount_4DD7880BAB4F50EA5EA2F2B667B0640A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNonmonetaryNotionalAmount" xlink:label="loc_invest_DerivativeNonmonetaryNotionalAmount_5996C214BD6E8583FCAFF2B667B0D0DE" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_invest_DerivativeNonmonetaryNotionalAmount_5996C214BD6E8583FCAFF2B667B0D0DE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestRateFairValueHedgeAssetAtFairValue" xlink:label="loc_us-gaap_InterestRateFairValueHedgeAssetAtFairValue_B1DA5EB837257F2AA514F2B667B0E089" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_InterestRateFairValueHedgeAssetAtFairValue_B1DA5EB837257F2AA514F2B667B0E089" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestRateFairValueHedgeLiabilityAtFairValue" xlink:label="loc_us-gaap_InterestRateFairValueHedgeLiabilityAtFairValue_CF751197852EF8C6FEE4F2B667B094C5" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_InterestRateFairValueHedgeLiabilityAtFairValue_CF751197852EF8C6FEE4F2B667B094C5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestRateFairValueHedgeDerivativeAtFairValueNet" xlink:label="loc_us-gaap_InterestRateFairValueHedgeDerivativeAtFairValueNet_63A99A8DE2AFE104F20DF2B667B0480A" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_InterestRateFairValueHedgeDerivativeAtFairValueNet_63A99A8DE2AFE104F20DF2B667B0480A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue_5A2CBD967ADD0D1FB8D9F2B667B03C11" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue_5A2CBD967ADD0D1FB8D9F2B667B03C11" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeLiabilityAtFairValue" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeLiabilityAtFairValue_B46CC9A1400DF7A16E0DF2B667B0D4CA" xlink:type="locator"/>
<link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeLiabilityAtFairValue_B46CC9A1400DF7A16E0DF2B667B0D4CA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeDerivativeAtFairValueNet" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeDerivativeAtFairValueNet_F34AAA0CEF28C8F17609F2B667B07312" xlink:type="locator"/>
<link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeDerivativeAtFairValueNet_F34AAA0CEF28C8F17609F2B667B07312" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PriceRiskDerivativeAssetsAtFairValue" xlink:label="loc_us-gaap_PriceRiskDerivativeAssetsAtFairValue_046D1277E44DC2952E13F2B667B0893E" xlink:type="locator"/>
<link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_PriceRiskDerivativeAssetsAtFairValue_046D1277E44DC2952E13F2B667B0893E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PriceRiskDerivativeLiabilitiesAtFairValue" xlink:label="loc_us-gaap_PriceRiskDerivativeLiabilitiesAtFairValue_F2FBF752C163EB831A18F2B667B09450" xlink:type="locator"/>
<link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_PriceRiskDerivativeLiabilitiesAtFairValue_F2FBF752C163EB831A18F2B667B09450" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PriceRiskDerivativesAtFairValueNet" xlink:label="loc_us-gaap_PriceRiskDerivativesAtFairValueNet_7186E8F380DD96994446F2B667B0D61B" xlink:type="locator"/>
<link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_PriceRiskDerivativesAtFairValueNet_7186E8F380DD96994446F2B667B0D61B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_8C1ED4224A40C449D12FF2B667B06982" xlink:type="locator"/>
<link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_8C1ED4224A40C449D12FF2B667B06982" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_19FD509B2267E243ACB9F2B667B03D08" xlink:type="locator"/>
<link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_19FD509B2267E243ACB9F2B667B03D08" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_08E4D4C36D41FD97EDF1F2B667B0BA2E" xlink:type="locator"/>
<link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_D80DFA1646FB6F59EBACF2B667B0B091" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_08E4D4C36D41FD97EDF1F2B667B0BA2E" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/DerivativesAndRiskManagementNarrativeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_334BFF2D2813F757184AF2B667B7AA68" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_ECE013B01C990E1656C9F2B667B68595" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_334BFF2D2813F757184AF2B667B7AA68" xlink:to="loc_us-gaap_DerivativeTable_ECE013B01C990E1656C9F2B667B68595" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_0AF3F10ADF6561C7E70EF2B667B6ACE6" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_ECE013B01C990E1656C9F2B667B68595" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_0AF3F10ADF6561C7E70EF2B667B6ACE6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_E0086FEE982DF9D3A96FF2B667B6D3F8_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_0AF3F10ADF6561C7E70EF2B667B6ACE6" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_E0086FEE982DF9D3A96FF2B667B6D3F8_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_E0086FEE982DF9D3A96FF2B667B6D3F8" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_0AF3F10ADF6561C7E70EF2B667B6ACE6" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_E0086FEE982DF9D3A96FF2B667B6D3F8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="loc_us-gaap_CommodityContractMember_64D3A2E16A23E0B46357F2B667B76D53" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_E0086FEE982DF9D3A96FF2B667B6D3F8" xlink:to="loc_us-gaap_CommodityContractMember_64D3A2E16A23E0B46357F2B667B76D53" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_4097C365AD0615867DC9F2B667B714ED" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_ECE013B01C990E1656C9F2B667B68595" xlink:to="loc_us-gaap_StatementScenarioAxis_4097C365AD0615867DC9F2B667B714ED" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_A14B9C3868C807304D84F2B667B7CC2B_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_4097C365AD0615867DC9F2B667B714ED" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_A14B9C3868C807304D84F2B667B7CC2B_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_A14B9C3868C807304D84F2B667B7CC2B" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_4097C365AD0615867DC9F2B667B714ED" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_A14B9C3868C807304D84F2B667B7CC2B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="loc_us-gaap_ScenarioForecastMember_09E96DF44C072DB9591BF2B667B7B28D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_A14B9C3868C807304D84F2B667B7CC2B" xlink:to="loc_us-gaap_ScenarioForecastMember_09E96DF44C072DB9591BF2B667B7B28D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EnergyAxis" xlink:label="loc_us-gaap_EnergyAxis_56555589A6615F14A838F2B667B75054" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_ECE013B01C990E1656C9F2B667B68595" xlink:to="loc_us-gaap_EnergyAxis_56555589A6615F14A838F2B667B75054" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EnergyDomain" xlink:label="loc_us-gaap_EnergyDomain_A9CD13545FAECFE2F613F2B667B72CB8_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_EnergyAxis_56555589A6615F14A838F2B667B75054" xlink:to="loc_us-gaap_EnergyDomain_A9CD13545FAECFE2F613F2B667B72CB8_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EnergyDomain" xlink:label="loc_us-gaap_EnergyDomain_A9CD13545FAECFE2F613F2B667B72CB8" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_EnergyAxis_56555589A6615F14A838F2B667B75054" xlink:to="loc_us-gaap_EnergyDomain_A9CD13545FAECFE2F613F2B667B72CB8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FuelMember" xlink:label="loc_us-gaap_FuelMember_A0C48C20AE86D1E2535FF2B667B76648" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EnergyDomain_A9CD13545FAECFE2F613F2B667B72CB8" xlink:to="loc_us-gaap_FuelMember_A0C48C20AE86D1E2535FF2B667B76648" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_712D5599B3FAC712D4C6F2B667B798F2" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_ECE013B01C990E1656C9F2B667B68595" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_712D5599B3FAC712D4C6F2B667B798F2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_8FF5AEDC094B66A9ECD1F2B667B7D75D_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_712D5599B3FAC712D4C6F2B667B798F2" xlink:to="loc_us-gaap_SegmentDomain_8FF5AEDC094B66A9ECD1F2B667B7D75D_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_8FF5AEDC094B66A9ECD1F2B667B7D75D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_712D5599B3FAC712D4C6F2B667B798F2" xlink:to="loc_us-gaap_SegmentDomain_8FF5AEDC094B66A9ECD1F2B667B7D75D" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_AirlineMember" xlink:label="loc_dal_AirlineMember_C2F6675CB73C2BEF1712F2B667B70116" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_8FF5AEDC094B66A9ECD1F2B667B7D75D" xlink:to="loc_dal_AirlineMember_C2F6675CB73C2BEF1712F2B667B70116" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_ExpectedProceedsFromDerivativeInstrumentFinancingActivities" xlink:label="loc_dal_ExpectedProceedsFromDerivativeInstrumentFinancingActivities_89EB0A551F198305852BF2B667B76202" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_334BFF2D2813F757184AF2B667B7AA68" xlink:to="loc_dal_ExpectedProceedsFromDerivativeInstrumentFinancingActivities_89EB0A551F198305852BF2B667B76202" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_ExpectedPaymentsforDerivativeInstrumentFinancingActivities" xlink:label="loc_dal_ExpectedPaymentsforDerivativeInstrumentFinancingActivities_9AF11CCEBB2D3B5A5B01F2B667B8A764" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_334BFF2D2813F757184AF2B667B7AA68" xlink:to="loc_dal_ExpectedPaymentsforDerivativeInstrumentFinancingActivities_9AF11CCEBB2D3B5A5B01F2B667B8A764" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_SettlementofDerivativeContract" xlink:label="loc_dal_SettlementofDerivativeContract_0CE890F0666286FFB507F2B667B81C7F" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_334BFF2D2813F757184AF2B667B7AA68" xlink:to="loc_dal_SettlementofDerivativeContract_0CE890F0666286FFB507F2B667B81C7F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_DE5BCC582ED058738003F2B667B8444E" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_334BFF2D2813F757184AF2B667B7AA68" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_DE5BCC582ED058738003F2B667B8444E" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/DerivativesAndRiskManagementOffsettingAssetsAndLiabilitiesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_C41A1DFF40CAF3FF82E7F2B667A53261" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_F588BE6382F002116089F2B667A480CD" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_C41A1DFF40CAF3FF82E7F2B667A53261" xlink:to="loc_us-gaap_DerivativeTable_F588BE6382F002116089F2B667A480CD" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_B78C6A98A0EBB3375542F2B667A5346A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_F588BE6382F002116089F2B667A480CD" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_B78C6A98A0EBB3375542F2B667A5346A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_03E31060637B01886321F2B667A572CA_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_B78C6A98A0EBB3375542F2B667A5346A" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_03E31060637B01886321F2B667A572CA_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_03E31060637B01886321F2B667A572CA" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_B78C6A98A0EBB3375542F2B667A5346A" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_03E31060637B01886321F2B667A572CA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCurrentAssetsMember" xlink:label="loc_us-gaap_OtherCurrentAssetsMember_3F6AD9EAC0A27F4A44EDF2B667A54F68" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_03E31060637B01886321F2B667A572CA" xlink:to="loc_us-gaap_OtherCurrentAssetsMember_3F6AD9EAC0A27F4A44EDF2B667A54F68" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_FE97A79ED74162C2B005F2B667A509BD" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_03E31060637B01886321F2B667A572CA" xlink:to="loc_us-gaap_OtherAssetsMember_FE97A79ED74162C2B005F2B667A509BD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCurrentLiabilitiesMember" xlink:label="loc_us-gaap_OtherCurrentLiabilitiesMember_98D9E6E05E3F12B5BD8FF2B667A51457" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_03E31060637B01886321F2B667A572CA" xlink:to="loc_us-gaap_OtherCurrentLiabilitiesMember_98D9E6E05E3F12B5BD8FF2B667A51457" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesMember" xlink:label="loc_us-gaap_OtherLiabilitiesMember_D29C87BD12A2307BC0CBF2B667A54A94" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_03E31060637B01886321F2B667A572CA" xlink:to="loc_us-gaap_OtherLiabilitiesMember_D29C87BD12A2307BC0CBF2B667A54A94" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_1982C3C5D4D7C9DCE9B5F2B667A5ACA0" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_C41A1DFF40CAF3FF82E7F2B667A53261" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_1982C3C5D4D7C9DCE9B5F2B667A5ACA0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_C4059F5C1E59E2DDD7BAF2B667A5E157" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_C41A1DFF40CAF3FF82E7F2B667A53261" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_C4059F5C1E59E2DDD7BAF2B667A5E157" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_DFF2AC8DEF29CDE7646BF2B667A5644C" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_C41A1DFF40CAF3FF82E7F2B667A53261" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_DFF2AC8DEF29CDE7646BF2B667A5644C" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/DerivativesAndRiskManagementTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/DocumentAndEntityInformation" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/EarningsPerShare" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/EarningsPerShareScheduleOfComputationForEarningsPerShareTypesDetails" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/EarningsPerShareTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/EmployeeBenefitPlans" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/EmployeeBenefitPlansScheduleOfBenefitPlanComponentsDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_A897A15209C99925EE9F07B9ABA1FE45" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_97229B6E6DE123296D3607B9ABA12738" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_A897A15209C99925EE9F07B9ABA1FE45" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_97229B6E6DE123296D3607B9ABA12738" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanTypeAxis" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_4302CAA152E8CB57C55707B9ABA10C8D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_97229B6E6DE123296D3607B9ABA12738" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_4302CAA152E8CB57C55707B9ABA10C8D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanTypeDomain" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_5010A418CF775C54EE1D07B9ABA1071C_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_4302CAA152E8CB57C55707B9ABA10C8D" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_5010A418CF775C54EE1D07B9ABA1071C_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanTypeDomain" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_5010A418CF775C54EE1D07B9ABA1071C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_4302CAA152E8CB57C55707B9ABA10C8D" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_5010A418CF775C54EE1D07B9ABA1071C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_36158EDB9719226BB0EC07B9ABA1CD4E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_5010A418CF775C54EE1D07B9ABA1071C" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_36158EDB9719226BB0EC07B9ABA1CD4E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_4C3CBAC3E3E827E3550A07BA07FABEB6" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_5010A418CF775C54EE1D07B9ABA1071C" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_4C3CBAC3E3E827E3550A07BA07FABEB6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_57E2329B2071BC85E55A07B9ABA18FF8" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_A897A15209C99925EE9F07B9ABA1FE45" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_57E2329B2071BC85E55A07B9ABA18FF8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_042AE0E0E35E32516E8807B9ABA22D31" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_A897A15209C99925EE9F07B9ABA1FE45" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_042AE0E0E35E32516E8807B9ABA22D31" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_8D15B0A47022102652AE07B9ABA2CEFE" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_A897A15209C99925EE9F07B9ABA1FE45" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_8D15B0A47022102652AE07B9ABA2CEFE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_B00B8550F5B0200A890607B9ABA28B84" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_A897A15209C99925EE9F07B9ABA1FE45" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_B00B8550F5B0200A890607B9ABA28B84" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanActuarialGainLossImmediateRecognitionAsComponentInNetPeriodicBenefitCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanActuarialGainLossImmediateRecognitionAsComponentInNetPeriodicBenefitCostCredit_8E70EE7C870D8967470B07B9ABA2B3FD" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_A897A15209C99925EE9F07B9ABA1FE45" xlink:to="loc_us-gaap_DefinedBenefitPlanActuarialGainLossImmediateRecognitionAsComponentInNetPeriodicBenefitCostCredit_8E70EE7C870D8967470B07B9ABA2B3FD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_D7E53CFA16BDCFFA915707B9ABA2E643" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_A897A15209C99925EE9F07B9ABA1FE45" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_D7E53CFA16BDCFFA915707B9ABA2E643" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/EmployeeBenefitPlansTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/FairValueMeasurements" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_E593B7C277E8F0FC9D069ADCB1F63EE7" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_A687007FB978943F6EC09ADCB1F53376" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_E593B7C277E8F0FC9D069ADCB1F63EE7" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_A687007FB978943F6EC09ADCB1F53376" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_9E1FB7A2E64461B7ACCA9ADCB1F5D8D6" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_A687007FB978943F6EC09ADCB1F53376" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_9E1FB7A2E64461B7ACCA9ADCB1F5D8D6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_46489CBB4AE74C84FB2C9ADCB1F5150C_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_9E1FB7A2E64461B7ACCA9ADCB1F5D8D6" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_46489CBB4AE74C84FB2C9ADCB1F5150C_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_46489CBB4AE74C84FB2C9ADCB1F5150C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_9E1FB7A2E64461B7ACCA9ADCB1F5D8D6" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_46489CBB4AE74C84FB2C9ADCB1F5150C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="loc_us-gaap_CommodityContractMember_132C3E01681B5D7796809ADCB1F62269" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_46489CBB4AE74C84FB2C9ADCB1F5150C" xlink:to="loc_us-gaap_CommodityContractMember_132C3E01681B5D7796809ADCB1F62269" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_AB55A6585ADB3852ED099ADCB1F647A6" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_A687007FB978943F6EC09ADCB1F53376" xlink:to="loc_us-gaap_RangeAxis_AB55A6585ADB3852ED099ADCB1F647A6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_D4EEEB8B8FAB751730929ADCB1F6AA0C_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_AB55A6585ADB3852ED099ADCB1F647A6" xlink:to="loc_us-gaap_RangeMember_D4EEEB8B8FAB751730929ADCB1F6AA0C_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_D4EEEB8B8FAB751730929ADCB1F6AA0C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_AB55A6585ADB3852ED099ADCB1F647A6" xlink:to="loc_us-gaap_RangeMember_D4EEEB8B8FAB751730929ADCB1F6AA0C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_6A5D7AA5BB3FCCC9E3079ADCB1F6289E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_D4EEEB8B8FAB751730929ADCB1F6AA0C" xlink:to="loc_us-gaap_MinimumMember_6A5D7AA5BB3FCCC9E3079ADCB1F6289E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_12DEEAE3E2248FB9F9F09ADCB1F6CFA9" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_D4EEEB8B8FAB751730929ADCB1F6AA0C" xlink:to="loc_us-gaap_MaximumMember_12DEEAE3E2248FB9F9F09ADCB1F6CFA9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssumptionsAndMethodologyForAssetsAndLiabilitiesAbstract" xlink:label="loc_us-gaap_FairValueAssumptionsAndMethodologyForAssetsAndLiabilitiesAbstract_DDB9970354DD702C55819ADCB1F61DC1" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_E593B7C277E8F0FC9D069ADCB1F63EE7" xlink:to="loc_us-gaap_FairValueAssumptionsAndMethodologyForAssetsAndLiabilitiesAbstract_DDB9970354DD702C55819ADCB1F61DC1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_FairValueAssumptionsExpectedVolatilityRate_475AE8EF39029E8DCAFF9ADCB1F60E1B" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssumptionsAndMethodologyForAssetsAndLiabilitiesAbstract_DDB9970354DD702C55819ADCB1F61DC1" xlink:to="loc_us-gaap_FairValueAssumptionsExpectedVolatilityRate_475AE8EF39029E8DCAFF9ADCB1F60E1B" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/FairValueMeasurementsScheduleOfFairValueMeasurementsOnRecurringBasisDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_32D4E49C640D8EE00F9AF308DB566E6C" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_F6CE7E314CAFE13D6F4FF308DB55F78D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_32D4E49C640D8EE00F9AF308DB566E6C" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_F6CE7E314CAFE13D6F4FF308DB55F78D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_E5ABC6760D15C1B09470F308DB5509F6" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_F6CE7E314CAFE13D6F4FF308DB55F78D" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_E5ABC6760D15C1B09470F308DB5509F6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_CF464AB8ABDE4563576FF308DB55D60B_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_E5ABC6760D15C1B09470F308DB5509F6" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_CF464AB8ABDE4563576FF308DB55D60B_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_CF464AB8ABDE4563576FF308DB55D60B" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_E5ABC6760D15C1B09470F308DB5509F6" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_CF464AB8ABDE4563576FF308DB55D60B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_2D9E71F1B226269AEB82F308DB55909D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_CF464AB8ABDE4563576FF308DB55D60B" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_2D9E71F1B226269AEB82F308DB55909D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_089DD7DDBE0D944C4D8FF308DB5563F3" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_F6CE7E314CAFE13D6F4FF308DB55F78D" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_089DD7DDBE0D944C4D8FF308DB5563F3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3340AE853F91279C3922F308DB55DFA9_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_089DD7DDBE0D944C4D8FF308DB5563F3" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3340AE853F91279C3922F308DB55DFA9_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3340AE853F91279C3922F308DB55DFA9" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_089DD7DDBE0D944C4D8FF308DB5563F3" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3340AE853F91279C3922F308DB55DFA9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_1090C3728A1B9F69F5CEF308DB5524DC" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3340AE853F91279C3922F308DB55DFA9" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_1090C3728A1B9F69F5CEF308DB5524DC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_E951BC158091F0A8E6ADF308DB552A3F" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3340AE853F91279C3922F308DB55DFA9" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_E951BC158091F0A8E6ADF308DB552A3F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:label="loc_us-gaap_InvestmentTypeAxis_9D91B3712D448FE04083F308DB563C89" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_F6CE7E314CAFE13D6F4FF308DB55F78D" xlink:to="loc_us-gaap_InvestmentTypeAxis_9D91B3712D448FE04083F308DB563C89" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_3CEA13045DAC44FE493CF308DB56F34C_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_9D91B3712D448FE04083F308DB563C89" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_3CEA13045DAC44FE493CF308DB56F34C_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_3CEA13045DAC44FE493CF308DB56F34C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_9D91B3712D448FE04083F308DB563C89" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_3CEA13045DAC44FE493CF308DB56F34C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_USTreasuryAndGovernmentMember" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_41A1E61EF77AEB97AE5DF308DB565A32" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_3CEA13045DAC44FE493CF308DB56F34C" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_41A1E61EF77AEB97AE5DF308DB565A32" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_2EC190B9E53C3A59D1D6F308DB5673F5" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_3CEA13045DAC44FE493CF308DB56F34C" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_2EC190B9E53C3A59D1D6F308DB5673F5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_563E628ECD4E1930B554F308DB56D02B" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_3CEA13045DAC44FE493CF308DB56F34C" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_563E628ECD4E1930B554F308DB56D02B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherDebtSecuritiesMember" xlink:label="loc_us-gaap_OtherDebtSecuritiesMember_B45DF30F9E2E4AF5B25CF308DB5662AD" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_3CEA13045DAC44FE493CF308DB56F34C" xlink:to="loc_us-gaap_OtherDebtSecuritiesMember_B45DF30F9E2E4AF5B25CF308DB5662AD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLongTermInvestmentsMember" xlink:label="loc_us-gaap_OtherLongTermInvestmentsMember_F415DA04B39DCBE685C5F308DB565DD6" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_3CEA13045DAC44FE493CF308DB56F34C" xlink:to="loc_us-gaap_OtherLongTermInvestmentsMember_F415DA04B39DCBE685C5F308DB565DD6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueNetAssetLiabilityAbstract" xlink:label="loc_us-gaap_FairValueNetAssetLiabilityAbstract_B9D9ABAFF39E72B68622F308DB568E85" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_32D4E49C640D8EE00F9AF308DB566E6C" xlink:to="loc_us-gaap_FairValueNetAssetLiabilityAbstract_B9D9ABAFF39E72B68622F308DB568E85" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_DC4C6BADC5FD6380D3BCF308DB56370A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueNetAssetLiabilityAbstract_B9D9ABAFF39E72B68622F308DB568E85" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_DC4C6BADC5FD6380D3BCF308DB56370A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_4417C3F8FEA96DE633DEF308DB5649C8" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueNetAssetLiabilityAbstract_B9D9ABAFF39E72B68622F308DB568E85" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_4417C3F8FEA96DE633DEF308DB5649C8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsFairValueDisclosure" xlink:label="loc_us-gaap_OtherAssetsFairValueDisclosure_320CAE818E9D6219B41FF308DB56474D" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueNetAssetLiabilityAbstract_B9D9ABAFF39E72B68622F308DB568E85" xlink:to="loc_us-gaap_OtherAssetsFairValueDisclosure_320CAE818E9D6219B41FF308DB56474D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PriceRiskDerivativesAtFairValueNet" xlink:label="loc_us-gaap_PriceRiskDerivativesAtFairValueNet_B6DA1F3AB9A3FBD0277CF308DB5691C7" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueNetAssetLiabilityAbstract_B9D9ABAFF39E72B68622F308DB568E85" xlink:to="loc_us-gaap_PriceRiskDerivativesAtFairValueNet_B6DA1F3AB9A3FBD0277CF308DB5691C7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestRateFairValueHedgeDerivativeAtFairValueNet" xlink:label="loc_us-gaap_InterestRateFairValueHedgeDerivativeAtFairValueNet_C1BD178B5185AFAF06D2F308DB5622E1" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueNetAssetLiabilityAbstract_B9D9ABAFF39E72B68622F308DB568E85" xlink:to="loc_us-gaap_InterestRateFairValueHedgeDerivativeAtFairValueNet_C1BD178B5185AFAF06D2F308DB5622E1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeDerivativeAtFairValueNet" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeDerivativeAtFairValueNet_FE070003D94843F6C50DF308DB565F7D" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueNetAssetLiabilityAbstract_B9D9ABAFF39E72B68622F308DB568E85" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeDerivativeAtFairValueNet_FE070003D94843F6C50DF308DB565F7D" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/FairValueMeasurementsTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/Investments" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/InvestmentsNarrativeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_84C469649EA0315BDCB60C27AB3DAA60" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_46A5F62704B6D251D7A70C27AB3B7E88" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_84C469649EA0315BDCB60C27AB3DAA60" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_46A5F62704B6D251D7A70C27AB3B7E88" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_B963F6E4A857C2AD360F0C27AB3BB1DA" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_46A5F62704B6D251D7A70C27AB3B7E88" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_B963F6E4A857C2AD360F0C27AB3BB1DA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_8C94416163D5DF2C88BC0C27AB3B9530_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_B963F6E4A857C2AD360F0C27AB3BB1DA" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_8C94416163D5DF2C88BC0C27AB3B9530_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_8C94416163D5DF2C88BC0C27AB3B9530" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_B963F6E4A857C2AD360F0C27AB3BB1DA" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_8C94416163D5DF2C88BC0C27AB3B9530" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_GrupoAeromexicoMember" xlink:label="loc_dal_GrupoAeromexicoMember_1AB61A86093FDB22559A0C27AB3B778F" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_8C94416163D5DF2C88BC0C27AB3B9530" xlink:to="loc_dal_GrupoAeromexicoMember_1AB61A86093FDB22559A0C27AB3B778F" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_VirginAtlanticMember" xlink:label="loc_dal_VirginAtlanticMember_5B1CC60E3691021E41450C27AB3B89F9" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_8C94416163D5DF2C88BC0C27AB3B9530" xlink:to="loc_dal_VirginAtlanticMember_5B1CC60E3691021E41450C27AB3B89F9" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_GOLMember" xlink:label="loc_dal_GOLMember_EB10A0BEC3BE752E2C4D0C27AB3B792B" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_8C94416163D5DF2C88BC0C27AB3B9530" xlink:to="loc_dal_GOLMember_EB10A0BEC3BE752E2C4D0C27AB3B792B" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_ChinaEasternMember" xlink:label="loc_dal_ChinaEasternMember_01906019C1AB4F8C8A9F0C27AB3BF5CA" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_8C94416163D5DF2C88BC0C27AB3B9530" xlink:to="loc_dal_ChinaEasternMember_01906019C1AB4F8C8A9F0C27AB3BF5CA" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_AirFranceKLMMember" xlink:label="loc_dal_AirFranceKLMMember_DC0486B47E1720FF81BE0C27AB3B709C" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_8C94416163D5DF2C88BC0C27AB3B9530" xlink:to="loc_dal_AirFranceKLMMember_DC0486B47E1720FF81BE0C27AB3B709C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_5DFCDDC961E1CD01CB000C27AB3C883C" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_46A5F62704B6D251D7A70C27AB3B7E88" xlink:to="loc_us-gaap_CreditFacilityAxis_5DFCDDC961E1CD01CB000C27AB3C883C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_C9D506F2337E95B498600C27AB3C38D3_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_5DFCDDC961E1CD01CB000C27AB3C883C" xlink:to="loc_us-gaap_CreditFacilityDomain_C9D506F2337E95B498600C27AB3C38D3_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_C9D506F2337E95B498600C27AB3C38D3" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_5DFCDDC961E1CD01CB000C27AB3C883C" xlink:to="loc_us-gaap_CreditFacilityDomain_C9D506F2337E95B498600C27AB3C38D3" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_TermLoanFacilityMember" xlink:label="loc_dal_TermLoanFacilityMember_E5EEBDE4AC3C8E4ADAA30C27AB3CEE82" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_C9D506F2337E95B498600C27AB3C38D3" xlink:to="loc_dal_TermLoanFacilityMember_E5EEBDE4AC3C8E4ADAA30C27AB3CEE82" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_C69615BE66C0A78C462A0C27AB3CEAEC" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_46A5F62704B6D251D7A70C27AB3B7E88" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_C69615BE66C0A78C462A0C27AB3CEAEC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_7E1BE2C4D711BD9193170C27AB3C87F4_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_C69615BE66C0A78C462A0C27AB3CEAEC" xlink:to="loc_us-gaap_RelatedPartyDomain_7E1BE2C4D711BD9193170C27AB3C87F4_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_7E1BE2C4D711BD9193170C27AB3C87F4" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_C69615BE66C0A78C462A0C27AB3CEAEC" xlink:to="loc_us-gaap_RelatedPartyDomain_7E1BE2C4D711BD9193170C27AB3C87F4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CorporateJointVentureMember" xlink:label="loc_us-gaap_CorporateJointVentureMember_28F8660EF16B7DE65CE10C27AB3CC166" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_7E1BE2C4D711BD9193170C27AB3C87F4" xlink:to="loc_us-gaap_CorporateJointVentureMember_28F8660EF16B7DE65CE10C27AB3CC166" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_9B94A4E603C5F1F5EE310C27AB3CA05A" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_46A5F62704B6D251D7A70C27AB3B7E88" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_9B94A4E603C5F1F5EE310C27AB3CA05A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_942FC6FCA6690817A0CA0C27AB3CD3C4_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_9B94A4E603C5F1F5EE310C27AB3CA05A" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_942FC6FCA6690817A0CA0C27AB3CD3C4_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_942FC6FCA6690817A0CA0C27AB3CD3C4" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_9B94A4E603C5F1F5EE310C27AB3CA05A" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_942FC6FCA6690817A0CA0C27AB3CD3C4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_02C05CCA3FC07BF6414C0C27AB3CEAD0" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_942FC6FCA6690817A0CA0C27AB3CD3C4" xlink:to="loc_us-gaap_SubsequentEventMember_02C05CCA3FC07BF6414C0C27AB3CEAD0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_EEDDDF8773BD6250468B0C27AB3D6D0B" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_84C469649EA0315BDCB60C27AB3DAA60" xlink:to="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_EEDDDF8773BD6250468B0C27AB3D6D0B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_1DBDB60BEF1895F1DCAF0C27AB3D95ED" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_84C469649EA0315BDCB60C27AB3DAA60" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_1DBDB60BEF1895F1DCAF0C27AB3D95ED" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_21B98F6BDE4DFF20E4830C27AB3D5B49" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_84C469649EA0315BDCB60C27AB3DAA60" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_21B98F6BDE4DFF20E4830C27AB3D5B49" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax_A8B12706DA4422BCAACE0C27AB3D3DE2" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_84C469649EA0315BDCB60C27AB3DAA60" xlink:to="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax_A8B12706DA4422BCAACE0C27AB3D3DE2" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_DebtInstrumentGuaranteeBorrowingsonThirdPartyDebt" xlink:label="loc_dal_DebtInstrumentGuaranteeBorrowingsonThirdPartyDebt_26ACAE87944215C8A6940C27AB3D8989" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_84C469649EA0315BDCB60C27AB3DAA60" xlink:to="loc_dal_DebtInstrumentGuaranteeBorrowingsonThirdPartyDebt_26ACAE87944215C8A6940C27AB3D8989" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_DebtInstrumentGuaranteeBorrowingsonThirdPartyDebtTerm" xlink:label="loc_dal_DebtInstrumentGuaranteeBorrowingsonThirdPartyDebtTerm_2B6E29A29260911CE05B0C27AB3DB756" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_84C469649EA0315BDCB60C27AB3DAA60" xlink:to="loc_dal_DebtInstrumentGuaranteeBorrowingsonThirdPartyDebtTerm_2B6E29A29260911CE05B0C27AB3DB756" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostMethodInvestments" xlink:label="loc_us-gaap_CostMethodInvestments_9FB430E2FF1260C831970C27AB3D314A" xlink:type="locator"/>
<link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_84C469649EA0315BDCB60C27AB3DAA60" xlink:to="loc_us-gaap_CostMethodInvestments_9FB430E2FF1260C831970C27AB3D314A" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_CostMethodInvestmentRestrictionofSaleorTransferofSharesPeriod" xlink:label="loc_dal_CostMethodInvestmentRestrictionofSaleorTransferofSharesPeriod_5929E7949E00F945850B0C27AB3D722D" xlink:type="locator"/>
<link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_84C469649EA0315BDCB60C27AB3DAA60" xlink:to="loc_dal_CostMethodInvestmentRestrictionofSaleorTransferofSharesPeriod_5929E7949E00F945850B0C27AB3D722D" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/InvestmentsScheduleOfMaturitiesForShortTermInvestmentsDetails" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/InvestmentsTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/LongTermDebt" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/LongTermDebtNarrativeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_A5391496B664D21E27E99ADCB172537B" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_D489110D7641B738267A9ADCB1717498" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A5391496B664D21E27E99ADCB172537B" xlink:to="loc_us-gaap_DebtInstrumentTable_D489110D7641B738267A9ADCB1717498" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_EB585503CF6839DD83239ADCB171EB3A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_D489110D7641B738267A9ADCB1717498" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_EB585503CF6839DD83239ADCB171EB3A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_137F81115F421B51F3299ADCB171D982_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_EB585503CF6839DD83239ADCB171EB3A" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_137F81115F421B51F3299ADCB171D982_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_137F81115F421B51F3299ADCB171D982" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_EB585503CF6839DD83239ADCB171EB3A" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_137F81115F421B51F3299ADCB171D982" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_BC250939890D11C674A69ADCB171C95E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_137F81115F421B51F3299ADCB171D982" xlink:to="loc_us-gaap_UnsecuredDebtMember_BC250939890D11C674A69ADCB171C95E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_5CF82872DB76D6FD76CA9ADCB1716C12" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_D489110D7641B738267A9ADCB1717498" xlink:to="loc_us-gaap_DebtInstrumentAxis_5CF82872DB76D6FD76CA9ADCB1716C12" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_427FE13D84337BCE19BF9ADCB171A255_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_5CF82872DB76D6FD76CA9ADCB1716C12" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_427FE13D84337BCE19BF9ADCB171A255_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_427FE13D84337BCE19BF9ADCB171A255" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_5CF82872DB76D6FD76CA9ADCB1716C12" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_427FE13D84337BCE19BF9ADCB171A255" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_TwoPointEightSevenFivePercentNotesDueTwentyTwentyMember" xlink:label="loc_dal_TwoPointEightSevenFivePercentNotesDueTwentyTwentyMember_6FF142BE011187D36B879ADCB17165E1" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_427FE13D84337BCE19BF9ADCB171A255" xlink:to="loc_dal_TwoPointEightSevenFivePercentNotesDueTwentyTwentyMember_6FF142BE011187D36B879ADCB17165E1" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_ThreePointSixTwoFivePercentNotesDueTwentyTwentyTwoMember" xlink:label="loc_dal_ThreePointSixTwoFivePercentNotesDueTwentyTwentyTwoMember_99414373D88AF0EE734A9ADCB17263D7" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_427FE13D84337BCE19BF9ADCB171A255" xlink:to="loc_dal_ThreePointSixTwoFivePercentNotesDueTwentyTwentyTwoMember_99414373D88AF0EE734A9ADCB17263D7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_FBF05CEFCEA45398B7679ADCB17248E2" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A5391496B664D21E27E99ADCB172537B" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_FBF05CEFCEA45398B7679ADCB17248E2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_A9063B6E1D1D9AB4861D9ADCB172F3ED" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A5391496B664D21E27E99ADCB172537B" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_A9063B6E1D1D9AB4861D9ADCB172F3ED" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_C1EE343CC1A92F48CA489ADCB1724D97" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A5391496B664D21E27E99ADCB172537B" xlink:to="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_C1EE343CC1A92F48CA489ADCB1724D97" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_TreasuryStockContributedtoQualifiedDefinedBenefitPensionPlanAmount" xlink:label="loc_dal_TreasuryStockContributedtoQualifiedDefinedBenefitPensionPlanAmount_A33CB6F61DD6F02D9E2F9ADCB1724ABA" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A5391496B664D21E27E99ADCB172537B" xlink:to="loc_dal_TreasuryStockContributedtoQualifiedDefinedBenefitPensionPlanAmount_A33CB6F61DD6F02D9E2F9ADCB1724ABA" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/LongTermDebtScheduleOfFairValueOfDebtDetails" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/LongTermDebtTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/Restructuring" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/RestructuringNarrativeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_E536B544330DE841C29F95E342A55F53" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_DF3913475153B59155CF95E342A51CBC" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_E536B544330DE841C29F95E342A55F53" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_DF3913475153B59155CF95E342A51CBC" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_02056041EE6795B7300E95E342A5289A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_DF3913475153B59155CF95E342A51CBC" xlink:to="loc_us-gaap_ProductOrServiceAxis_02056041EE6795B7300E95E342A5289A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_6839AC4481DEC25B091495E342A58C9C_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ProductOrServiceAxis_02056041EE6795B7300E95E342A5289A" xlink:to="loc_us-gaap_ProductsAndServicesDomain_6839AC4481DEC25B091495E342A58C9C_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_6839AC4481DEC25B091495E342A58C9C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ProductOrServiceAxis_02056041EE6795B7300E95E342A5289A" xlink:to="loc_us-gaap_ProductsAndServicesDomain_6839AC4481DEC25B091495E342A58C9C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RegionalCarrierMember" xlink:label="loc_us-gaap_RegionalCarrierMember_43C7B5EA0BD78C2153B995E342A50816" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_6839AC4481DEC25B091495E342A58C9C" xlink:to="loc_us-gaap_RegionalCarrierMember_43C7B5EA0BD78C2153B995E342A50816" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_RestructuringandRelatedCostsNumberofSeatsonRegionalAircraft" xlink:label="loc_dal_RestructuringandRelatedCostsNumberofSeatsonRegionalAircraft_0B7666E87CB3DC0B5C3095E342A52E9C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_E536B544330DE841C29F95E342A55F53" xlink:to="loc_dal_RestructuringandRelatedCostsNumberofSeatsonRegionalAircraft_0B7666E87CB3DC0B5C3095E342A52E9C" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/RestructuringScheduleOfRestructuringChargesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_A3854A0387EDD235BDF395E341678AEA" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_DE3033C27614E3C4594095E34167580C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_A3854A0387EDD235BDF395E341678AEA" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_DE3033C27614E3C4594095E34167580C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_E30E32DB164B004A553695E34167B5D7" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_DE3033C27614E3C4594095E34167580C" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_E30E32DB164B004A553695E34167B5D7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_548FFFD015264DF84E7E95E34167187B_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_E30E32DB164B004A553695E34167B5D7" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_548FFFD015264DF84E7E95E34167187B_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_548FFFD015264DF84E7E95E34167187B" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_E30E32DB164B004A553695E34167B5D7" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_548FFFD015264DF84E7E95E34167187B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LeaseAgreementsMember" xlink:label="loc_us-gaap_LeaseAgreementsMember_E614BADDE81F1E7F808C95E34167735F" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_548FFFD015264DF84E7E95E34167187B" xlink:to="loc_us-gaap_LeaseAgreementsMember_E614BADDE81F1E7F808C95E34167735F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringReserveRollForward" xlink:label="loc_us-gaap_RestructuringReserveRollForward_4C12730C74DE3B9F846C95E3416733AE" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_A3854A0387EDD235BDF395E341678AEA" xlink:to="loc_us-gaap_RestructuringReserveRollForward_4C12730C74DE3B9F846C95E3416733AE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="loc_us-gaap_RestructuringReserve_D0050916E2A0C813441B95E34167DDF6" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_4C12730C74DE3B9F846C95E3416733AE" xlink:to="loc_us-gaap_RestructuringReserve_D0050916E2A0C813441B95E34167DDF6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForRestructuring" xlink:label="loc_us-gaap_PaymentsForRestructuring_9A1A72F22AB002C92D1595E34167CB76" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_4C12730C74DE3B9F846C95E3416733AE" xlink:to="loc_us-gaap_PaymentsForRestructuring_9A1A72F22AB002C92D1595E34167CB76" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringReserveAccrualAdjustment1" xlink:label="loc_us-gaap_RestructuringReserveAccrualAdjustment1_F2EE4536E548EA69B3DB95E34167B7B6" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_4C12730C74DE3B9F846C95E3416733AE" xlink:to="loc_us-gaap_RestructuringReserveAccrualAdjustment1_F2EE4536E548EA69B3DB95E34167B7B6" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/RestructuringTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/Segments" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/SegmentsNarrativeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_C0B29BFA573D7337A51C9ADCB1005589" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_962975D83C0BD6820D969ADCB0FFD8AF" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_C0B29BFA573D7337A51C9ADCB1005589" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_962975D83C0BD6820D969ADCB0FFD8AF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_2AA208C2FDEEB6F5A94A9ADCB0FFD4D3" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_962975D83C0BD6820D969ADCB0FFD8AF" xlink:to="loc_us-gaap_ConsolidationItemsAxis_2AA208C2FDEEB6F5A94A9ADCB0FFD4D3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_2AD24424D31692F068599ADCB100B0EA_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConsolidationItemsAxis_2AA208C2FDEEB6F5A94A9ADCB0FFD4D3" xlink:to="loc_us-gaap_ConsolidationItemsDomain_2AD24424D31692F068599ADCB100B0EA_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_2AD24424D31692F068599ADCB100B0EA" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConsolidationItemsAxis_2AA208C2FDEEB6F5A94A9ADCB0FFD4D3" xlink:to="loc_us-gaap_ConsolidationItemsDomain_2AD24424D31692F068599ADCB100B0EA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="loc_us-gaap_IntersegmentEliminationMember_76012A9154BE1ACB6C559ADCB100A00A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_2AD24424D31692F068599ADCB100B0EA" xlink:to="loc_us-gaap_IntersegmentEliminationMember_76012A9154BE1ACB6C559ADCB100A00A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_F3ED155A1DBF33E7BC9B9ADCB100C312" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_962975D83C0BD6820D969ADCB0FFD8AF" xlink:to="loc_us-gaap_ProductOrServiceAxis_F3ED155A1DBF33E7BC9B9ADCB100C312" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_437F4C7513D3C4E1DE159ADCB100AEC9_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ProductOrServiceAxis_F3ED155A1DBF33E7BC9B9ADCB100C312" xlink:to="loc_us-gaap_ProductsAndServicesDomain_437F4C7513D3C4E1DE159ADCB100AEC9_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_437F4C7513D3C4E1DE159ADCB100AEC9" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ProductOrServiceAxis_F3ED155A1DBF33E7BC9B9ADCB100C312" xlink:to="loc_us-gaap_ProductsAndServicesDomain_437F4C7513D3C4E1DE159ADCB100AEC9" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_ExchangedProductsMember" xlink:label="loc_dal_ExchangedProductsMember_CE4ED907EC296BED89969ADCB10084A3" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_437F4C7513D3C4E1DE159ADCB100AEC9" xlink:to="loc_dal_ExchangedProductsMember_CE4ED907EC296BED89969ADCB10084A3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationProfitLossAbstract" xlink:label="loc_us-gaap_SegmentReportingInformationProfitLossAbstract_E663F0F3FE688202FAA99ADCB100CF52" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_C0B29BFA573D7337A51C9ADCB1005589" xlink:to="loc_us-gaap_SegmentReportingInformationProfitLossAbstract_E663F0F3FE688202FAA99ADCB100CF52" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_DB3F78DD9236F9C943849ADCB10053B9" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationProfitLossAbstract_E663F0F3FE688202FAA99ADCB100CF52" xlink:to="loc_us-gaap_Revenues_DB3F78DD9236F9C943849ADCB10053B9" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/SegmentsScheduleOfSegmentReportingDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_BB788D5B48EED97D6B71082AE65FAF18" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6E35269394A7A6645B74082AE65BA56E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_BB788D5B48EED97D6B71082AE65FAF18" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6E35269394A7A6645B74082AE65BA56E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_65A23BA0A7623B2CFBA2082AE65BC18B" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6E35269394A7A6645B74082AE65BA56E" xlink:to="loc_us-gaap_ConsolidationItemsAxis_65A23BA0A7623B2CFBA2082AE65BC18B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_C9E419C6381A0339AB05082AE65BDBB0_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConsolidationItemsAxis_65A23BA0A7623B2CFBA2082AE65BC18B" xlink:to="loc_us-gaap_ConsolidationItemsDomain_C9E419C6381A0339AB05082AE65BDBB0_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_C9E419C6381A0339AB05082AE65BDBB0" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConsolidationItemsAxis_65A23BA0A7623B2CFBA2082AE65BC18B" xlink:to="loc_us-gaap_ConsolidationItemsDomain_C9E419C6381A0339AB05082AE65BDBB0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_5D619E30C967809B10AC082AE65B1966" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_C9E419C6381A0339AB05082AE65BDBB0" xlink:to="loc_us-gaap_OperatingSegmentsMember_5D619E30C967809B10AC082AE65B1966" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="loc_us-gaap_IntersegmentEliminationMember_B837ECAA8F60385DA14A082AE65B2A39" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_C9E419C6381A0339AB05082AE65BDBB0" xlink:to="loc_us-gaap_IntersegmentEliminationMember_B837ECAA8F60385DA14A082AE65B2A39" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_21030CFD16C9F9C7CD59082AE65CAD67" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6E35269394A7A6645B74082AE65BA56E" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_21030CFD16C9F9C7CD59082AE65CAD67" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_255442A907D7CE38AAC1082AE65C6BF3_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_21030CFD16C9F9C7CD59082AE65CAD67" xlink:to="loc_us-gaap_SegmentDomain_255442A907D7CE38AAC1082AE65C6BF3_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_255442A907D7CE38AAC1082AE65C6BF3" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_21030CFD16C9F9C7CD59082AE65CAD67" xlink:to="loc_us-gaap_SegmentDomain_255442A907D7CE38AAC1082AE65C6BF3" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_AirlineMember" xlink:label="loc_dal_AirlineMember_2E15230917E42DD751C6082AE65CC899" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_255442A907D7CE38AAC1082AE65C6BF3" xlink:to="loc_dal_AirlineMember_2E15230917E42DD751C6082AE65CC899" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_RefineryMember" xlink:label="loc_dal_RefineryMember_36EB5589FB60BC769A2B082AE65E3425" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_255442A907D7CE38AAC1082AE65C6BF3" xlink:to="loc_dal_RefineryMember_36EB5589FB60BC769A2B082AE65E3425" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_C1665DBA603F3D0FB800082AE65EFB6E" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6E35269394A7A6645B74082AE65BA56E" xlink:to="loc_us-gaap_ProductOrServiceAxis_C1665DBA603F3D0FB800082AE65EFB6E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_F808476979442D2F5F99082AE65EE08C_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ProductOrServiceAxis_C1665DBA603F3D0FB800082AE65EFB6E" xlink:to="loc_us-gaap_ProductsAndServicesDomain_F808476979442D2F5F99082AE65EE08C_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_F808476979442D2F5F99082AE65EE08C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ProductOrServiceAxis_C1665DBA603F3D0FB800082AE65EFB6E" xlink:to="loc_us-gaap_ProductsAndServicesDomain_F808476979442D2F5F99082AE65EE08C" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_SalestoairlinesegmentMember" xlink:label="loc_dal_SalestoairlinesegmentMember_6A5626C63FFBEF603A39082AE65E8D7D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_F808476979442D2F5F99082AE65EE08C" xlink:to="loc_dal_SalestoairlinesegmentMember_6A5626C63FFBEF603A39082AE65E8D7D" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_ExchangedProductsMember" xlink:label="loc_dal_ExchangedProductsMember_FA30F6612E4E535EFD0B082AE65F9DF3" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_F808476979442D2F5F99082AE65EE08C" xlink:to="loc_dal_ExchangedProductsMember_FA30F6612E4E535EFD0B082AE65F9DF3" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_SalesofrefinedproductstothirdpartiesMember" xlink:label="loc_dal_SalesofrefinedproductstothirdpartiesMember_142A0859B390E70DFFF3082AE65FF614" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_F808476979442D2F5F99082AE65EE08C" xlink:to="loc_dal_SalesofrefinedproductstothirdpartiesMember_142A0859B390E70DFFF3082AE65FF614" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationProfitLossAbstract" xlink:label="loc_us-gaap_SegmentReportingInformationProfitLossAbstract_8107E46EFB4831EEB11D082AE65FEDD7" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_BB788D5B48EED97D6B71082AE65FAF18" xlink:to="loc_us-gaap_SegmentReportingInformationProfitLossAbstract_8107E46EFB4831EEB11D082AE65FEDD7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_537588A37CFA9B3DA4E9082AE65FADE4" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationProfitLossAbstract_8107E46EFB4831EEB11D082AE65FEDD7" xlink:to="loc_us-gaap_Revenues_537588A37CFA9B3DA4E9082AE65FADE4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_662D74C065E1B0E3F703082AE6604C2F" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationProfitLossAbstract_8107E46EFB4831EEB11D082AE65FEDD7" xlink:to="loc_us-gaap_OperatingIncomeLoss_662D74C065E1B0E3F703082AE6604C2F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_F2A1C963FFFA828D6300082AE660C670" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationProfitLossAbstract_8107E46EFB4831EEB11D082AE65FEDD7" xlink:to="loc_us-gaap_InterestExpense_F2A1C963FFFA828D6300082AE660C670" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_D7F2DFD9252C0AEDFD9C082AE6601C33" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationProfitLossAbstract_8107E46EFB4831EEB11D082AE65FEDD7" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_D7F2DFD9252C0AEDFD9C082AE6601C33" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_3FA03A7F518885B80067082AE660D4D0" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationProfitLossAbstract_8107E46EFB4831EEB11D082AE65FEDD7" xlink:to="loc_us-gaap_Assets_3FA03A7F518885B80067082AE660D4D0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_D286904AC86664F2A756082AE66051A5" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationProfitLossAbstract_8107E46EFB4831EEB11D082AE65FEDD7" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_D286904AC86664F2A756082AE66051A5" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/SegmentsTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.delta.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_70C0273A6622E229DFEA0C269D2212A0" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_2266838F9B9409DE595C0C269D20B252" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_70C0273A6622E229DFEA0C269D2212A0" xlink:to="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_2266838F9B9409DE595C0C269D20B252" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_4B1DFEE05A641A806E460C269D20DF61" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_2266838F9B9409DE595C0C269D20B252" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_4B1DFEE05A641A806E460C269D20DF61" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_CDD8CD1EB087E56627250C269D200336_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_4B1DFEE05A641A806E460C269D20DF61" xlink:to="loc_us-gaap_TypeOfAdoptionMember_CDD8CD1EB087E56627250C269D200336_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_CDD8CD1EB087E56627250C269D200336" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_4B1DFEE05A641A806E460C269D20DF61" xlink:to="loc_us-gaap_TypeOfAdoptionMember_CDD8CD1EB087E56627250C269D200336" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingStandardsUpdate201409Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201409Member_4B203C95D1F6B183E4C10C269D2081B7" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfAdoptionMember_CDD8CD1EB087E56627250C269D200336" xlink:to="loc_us-gaap_AccountingStandardsUpdate201409Member_4B203C95D1F6B183E4C10C269D2081B7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_AB1FB06E151471F5F7730C269D219B4F" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_2266838F9B9409DE595C0C269D20B252" xlink:to="loc_us-gaap_StatementScenarioAxis_AB1FB06E151471F5F7730C269D219B4F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_A15E402287C1858D32CC0C269D229C48_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_AB1FB06E151471F5F7730C269D219B4F" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_A15E402287C1858D32CC0C269D229C48_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_A15E402287C1858D32CC0C269D229C48" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_AB1FB06E151471F5F7730C269D219B4F" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_A15E402287C1858D32CC0C269D229C48" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="loc_us-gaap_ScenarioForecastMember_FB45B5773127B47D09580C269D22292A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_A15E402287C1858D32CC0C269D229C48" xlink:to="loc_us-gaap_ScenarioForecastMember_FB45B5773127B47D09580C269D22292A" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_NewAccountingPronouncementOrChangeInAccountingPrincipleExpectedIncreaseDecreaseInPassengerRevenue" xlink:label="loc_dal_NewAccountingPronouncementOrChangeInAccountingPrincipleExpectedIncreaseDecreaseInPassengerRevenue_B6D5EFBED365BB253EE20C269D22F3D9" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_70C0273A6622E229DFEA0C269D2212A0" xlink:to="loc_dal_NewAccountingPronouncementOrChangeInAccountingPrincipleExpectedIncreaseDecreaseInPassengerRevenue_B6D5EFBED365BB253EE20C269D22F3D9" xlink:type="arc"/>
<link:loc xlink:href="dal-20170930.xsd#dal_NewAccountingPronouncementOrChangeInAccountingPrincipleExpectedIncreaseDecreaseInOtherRevenue" xlink:label="loc_dal_NewAccountingPronouncementOrChangeInAccountingPrincipleExpectedIncreaseDecreaseInOtherRevenue_1C47BA83C7F5B89C56880C269D23FE45" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_70C0273A6622E229DFEA0C269D2212A0" xlink:to="loc_dal_NewAccountingPronouncementOrChangeInAccountingPrincipleExpectedIncreaseDecreaseInOtherRevenue_1C47BA83C7F5B89C56880C269D23FE45" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax_5DDF02EFFB5E463C83DC0C269D23725F" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_70C0273A6622E229DFEA0C269D2212A0" xlink:to="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax_5DDF02EFFB5E463C83DC0C269D23725F" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.delta.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended"/>
</link:linkbase>

4 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/12/24  Delta Air Lines, Inc.             10-K       12/31/23  113:14M
 2/10/23  Delta Air Lines, Inc.             10-K       12/31/22  114:16M
 2/11/22  Delta Air Lines, Inc.             10-K       12/31/21  113:16M
 2/12/21  Delta Air Lines, Inc.             10-K       12/31/20  122:17M
↑Top
Filing Submission 0000027904-17-000017   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Fri., May 17, 4:36:47.2pm ET