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Alaska Air Group, Inc. – ‘10-K’ for 12/31/23 – ‘EX-101.SCH’

On:  Wednesday, 2/14/24, at 4:02pm ET   ·   For:  12/31/23   ·   Accession #:  766421-24-12   ·   File #:  1-08957

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

 2/14/24  Alaska Air Group, Inc.            10-K       12/31/23  110:14M

Annual Report   —   Form 10-K   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   2.71M 
 2: EX-10.25    Material Contract                                   HTML     66K 
 3: EX-10.26    Material Contract                                   HTML     37K 
 4: EX-10.51    Material Contract                                   HTML     36K 
 5: EX-10.58    Material Contract                                   HTML    472K 
 6: EX-21       EX-21 Subsidiaries of Registrant                    HTML     31K 
 7: EX-23.1     EX-23.1 Consent of Independent Registered Public    HTML     29K 
                Accounting Firm (Kpmg LLP)                                       
12: EX-97.1     Clawback Policy re: Recovery of Erroneously         HTML     42K 
                Awarded Compensation -- ex971-aagclawbackpolicy                  
 8: EX-31.1     EX-31.1 Certification of Chief Executive Officer    HTML     34K 
 9: EX-31.2     EX-31.2 Certification of Chief Financial Officer    HTML     34K 
10: EX-32.1     EX-32.1 Certification of Chief Executive Officer    HTML     30K 
11: EX-32.2     EX-32.2 Certification of Chief Financial Officer    HTML     30K 
18: R1          Cover                                               HTML    101K 
19: R2          Consolidated Statements of Operations               HTML    155K 
20: R3          Consolidated Balance Sheets                         HTML    185K 
21: R4          Consolidated Balance Sheets (Parenthetical)         HTML     46K 
22: R5          Consolidated Statements of Comprehensive            HTML     62K 
                Operations                                                       
23: R6          Consolidated Statements of Shareholders' Equity     HTML     98K 
24: R7          Consolidated Statements of Cash Flows               HTML    117K 
25: R8          Consolidated Statements of Cash Flows               HTML     54K 
                (Parenthetical)                                                  
26: R9          General and Summary of Significant Accounting       HTML     62K 
27: R10         Fleet Transition                                    HTML     45K 
28: R11         Revenue From Contracts With Customers (Notes)       HTML     89K 
29: R12         Derivative Instruments                              HTML     50K 
30: R13         Long-Term Debt                                      HTML     54K 
31: R14         Employee Benefit Plans                              HTML    148K 
32: R15         Shareholder's Equity                                HTML     42K 
33: R16         Stock-Based Compensation Plans                      HTML    105K 
34: R17         Operating Segment Information                       HTML    200K 
35: R18         Earnings Per Share                                  HTML     32K 
36: R19         Business Combinations and Asset Acquisitions        HTML     32K 
37: R20         General and Summary of Significant Accounting       HTML    102K 
                Policies (Policies)                                              
38: R21         General and Summary of Significant Accounting       HTML     37K 
                Policies (Tables)                                                
39: R22         Revenue From Contracts With Customers (Tables)      HTML     68K 
40: R23         Derivative Instruments (Tables)                     HTML     49K 
41: R24         Fair Value Measurements (Tables)                    HTML     94K 
42: R25         Long-Term Debt (Tables)                             HTML     56K 
43: R26         Leases, Codification Topic 842 (Tables)             HTML     91K 
44: R27         Income Taxes (Tables)                               HTML    114K 
45: R28         Employee Benefit Plans (Tables)                     HTML    149K 
46: R29         Commitments and Contingencies Commitments and       HTML     41K 
                Contingencies (Tables)                                           
47: R30         Shareholder's Equity (Tables)                       HTML     64K 
48: R31         Accumulated Other Comprehensive Loss (Tables)       HTML     64K 
49: R32         Stock-Based Compensation Plans (Tables)             HTML    108K 
50: R33         Operating Segment Information (Tables)              HTML    194K 
51: R34         Earnings Per Share (Tables)                         HTML     66K 
52: R35         General and Summary of Significant Accounting       HTML     31K 
                Policies - Cash and Cash Equivalents (Details)                   
53: R36         General and Summary of Significant Accounting       HTML     33K 
                Policies - Inventories and Supplies - Net                        
                (Details)                                                        
54: R37         General and Summary of Significant Accounting       HTML     56K 
                Policies - Property, Equipment and Depreciation                  
                (Details)                                                        
55: R38         General and Summary of Significant Accounting       HTML     31K 
                Policies - Advertising Expenses (Details)                        
56: R39         General and Summary of Significant Accounting       HTML     41K 
                Policies General and Summary of Significant                      
                Accounting Policies - Stock-Based Compensation                   
                (Details)                                                        
57: R40         General and Summary of Significant Accounting       HTML     34K 
                Policies - Maintenance Deposits (Details)                        
58: R41         General and Summary of Significant Accounting       HTML     32K 
                Policies - Lease Return Provision (Details)                      
59: R42         Fleet Transition (Details)                          HTML     47K 
60: R43         Covid-19 Pandemic Narrative (Details)               HTML     46K 
61: R44         Revenue From Contracts With Customers (Details)     HTML     54K 
62: R45         Revenue From Contracts With Customers Contract      HTML     38K 
                Liabilities Activity (Details)                                   
63: R46         REVENUE FROM CONTRACTS WITH CUSTOMERS Narrative     HTML     49K 
                (Details)                                                        
64: R47         Derivative Instruments - Balance Sheet              HTML     53K 
                Classification (Details)                                         
65: R48         Derivative Instruments - Income Statement           HTML     50K 
                (Details)                                                        
66: R49         Derivative Instruments - Fair Value of Hedge        HTML     47K 
                Positions (Details)                                              
67: R50         Fair Value Measurements - Fair Value of Assets and  HTML    101K 
                Liabilities (Details)                                            
68: R51         Fair Value Measurements Fair Value Measurements -   HTML     67K 
                Cash, Cash Equivalents and Marketable Securities -               
                Maturities (Details)                                             
69: R52         Fair Value Measurements - Long-Term Debt (Details)  HTML     39K 
70: R53         Long-Term Debt - Schedule of Long-Term Debt         HTML    107K 
                (Details)                                                        
71: R54         Long-Term Debt Long-Term Debt - Secured Debt        HTML     44K 
                (Details)                                                        
72: R55         Long-Term Debt - Line of Credit (Details)           HTML     43K 
73: R56         Leases - Narrative (Details)                        HTML     72K 
74: R57         LEASES - Schedule of Leased Assets (Details)        HTML     50K 
75: R58         LEASES - Lease Cost (Details)                       HTML     54K 
76: R59         LEASES - Maturity of Lease Liabilities (Details)    HTML     65K 
77: R60         Income Taxes - Deferred Tax Assets and Liabilities  HTML     72K 
                (Details)                                                        
78: R61         Income Taxes - Components of Tax Expense (Details)  HTML     52K 
79: R62         Income Taxes - Effective Income Tax Reconciliation  HTML     64K 
                (Details)                                                        
80: R63         Income Taxes Income Taxes - Uncertain Tax           HTML     50K 
                Positions (Details)                                              
81: R64         Income Taxes Income Taxes Narrative (Details)       HTML     39K 
82: R65         Income Taxes New Accounting Standards (Details)     HTML     33K 
83: R66         Employee Benefit Plans Employee Benefit Plans -     HTML     34K 
                Additional Information (Details)                                 
84: R67         Employee Benefit Plans - Assumptions (Details)      HTML     50K 
85: R68         Employee Benefit Plans - Plan Assets (Details)      HTML     89K 
86: R69         Employee Benefit Plans - Funded Status (Details)    HTML     65K 
87: R70         Employee Benefit Plans - Amounts Recognized in      HTML     51K 
                Consolidated Balance Sheets (Details)                            
88: R71         Employee Benefit Plans - Expected Amortization      HTML     34K 
                From Aoci (Details)                                              
89: R72         Employee Benefit Plans - Net Pension Expense        HTML     51K 
                (Details)                                                        
90: R73         Employee Benefit Plans - Future Benefits Expected   HTML     46K 
                to Be Paid (Details)                                             
91: R74         Employee Benefit Plans Employee Benefit Plans -     HTML     33K 
                Postretirement Medical Benefits (Details)                        
92: R75         Employee Benefit Plans - Defined Contribution       HTML     31K 
                Plans (Details)                                                  
93: R76         Employee Benefit Plans - Pilot Long-Term            HTML     34K 
                Disability Benefits (Details)                                    
94: R77         Employee Benefit Plans - Employee Incentive-Pay     HTML     33K 
                Plans (Details)                                                  
95: R78         Employee Benefit Plans - Projected Benefit          HTML     38K 
                Obligation (Details)                                             
96: R79         Commitments and Contingencies Commitments and       HTML     89K 
                Contingencies (Details)                                          
97: R80         Shareholder's Equity Shareholders' Equity - Stock   HTML     33K 
                Changes (Details)                                                
98: R81         Shareholder's Equity - Common Stock Repurchase      HTML     44K 
                (Details)                                                        
99: R82         Shareholder's Equity Shareholders' Equity - Other   HTML     31K 
                (Details)                                                        
100: R83         Shareholder's Equity Shareholders' Equity -         HTML     39K  
                Accumulated Other Comprehensive Loss (Details)                   
101: R84         SHAREHOLDER'S EQUITY CARES Act Issuance (Details)   HTML     43K  
102: R85         Accumulated Other Comprehensive Loss (Details)      HTML     69K  
103: R86         Stock-Based Compensation Plans (Details)            HTML    178K  
104: R87         Operating Segment Information (Details)             HTML    242K  
105: R88         Business Combinations and Asset Acquisitions        HTML     33K  
                (Details)                                                        
107: XML         IDEA XML File -- Filing Summary                      XML    191K  
110: XML         XBRL Instance -- alk-20231231_htm                    XML   2.95M  
106: EXCEL       IDEA Workbook of Financial Report Info              XLSX    198K  
14: EX-101.CAL  XBRL Calculations -- alk-20231231_cal                XML    267K 
15: EX-101.DEF  XBRL Definitions -- alk-20231231_def                 XML   1.58M 
16: EX-101.LAB  XBRL Labels -- alk-20231231_lab                      XML   2.89M 
17: EX-101.PRE  XBRL Presentations -- alk-20231231_pre               XML   1.92M 
13: EX-101.SCH  XBRL Schema -- alk-20231231                          XSD    266K 
108: JSON        XBRL Instance as JSON Data -- MetaLinks              763±  1.16M  
109: ZIP         XBRL Zipped Folder -- 0000766421-24-000012-xbrl      Zip    816K

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This Exhibit is an XBRL File.

                                                                                                                                                                                
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<link:roleType id="FLEETTRANSITIONTables" roleURI="http://www.alaskaair.com/role/FLEETTRANSITIONTables">
<link:definition> 9954473 - Disclosure - FLEET TRANSITION (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="REVENUEFROMCONTRACTSWITHCUSTOMERSTables" roleURI="http://www.alaskaair.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSTables">
<link:definition> 9954474 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="DERIVATIVEINSTRUMENTSTables" roleURI="http://www.alaskaair.com/role/DERIVATIVEINSTRUMENTSTables">
<link:definition> 9954475 - Disclosure - DERIVATIVE INSTRUMENTS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="FAIRVALUEMEASUREMENTSTables" roleURI="http://www.alaskaair.com/role/FAIRVALUEMEASUREMENTSTables">
<link:definition> 9954476 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LONGTERMDEBTTables" roleURI="http://www.alaskaair.com/role/LONGTERMDEBTTables">
<link:definition> 9954477 - Disclosure - LONG-TERM DEBT (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LeasesCodificationTopic842Tables" roleURI="http://www.alaskaair.com/role/LeasesCodificationTopic842Tables">
<link:definition> 9954478 - Disclosure - Leases, Codification Topic 842 (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="INCOMETAXESTables" roleURI="http://www.alaskaair.com/role/INCOMETAXESTables">
<link:definition> 9954479 - Disclosure - INCOME TAXES (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EMPLOYEEBENEFITPLANSTables" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSTables">
<link:definition> 9954480 - Disclosure - EMPLOYEE BENEFIT PLANS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="COMMITMENTSANDCONTINGENCIESCOMMITMENTSANDCONTINGENCIESTables" roleURI="http://www.alaskaair.com/role/COMMITMENTSANDCONTINGENCIESCOMMITMENTSANDCONTINGENCIESTables">
<link:definition> 9954481 - Disclosure - COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SHAREHOLDERSEQUITYTables" roleURI="http://www.alaskaair.com/role/SHAREHOLDERSEQUITYTables">
<link:definition> 9954482 - Disclosure - SHAREHOLDER'S EQUITY (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ACCUMULATEDOTHERCOMPREHENSIVELOSSTables" roleURI="http://www.alaskaair.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSTables">
<link:definition> 9954483 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="STOCKBASEDCOMPENSATIONPLANSTables" roleURI="http://www.alaskaair.com/role/STOCKBASEDCOMPENSATIONPLANSTables">
<link:definition> 9954484 - Disclosure - STOCK-BASED COMPENSATION PLANS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OPERATINGSEGMENTINFORMATIONTables" roleURI="http://www.alaskaair.com/role/OPERATINGSEGMENTINFORMATIONTables">
<link:definition> 9954485 - Disclosure - OPERATING SEGMENT INFORMATION (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EarningsPerShareTables" roleURI="http://www.alaskaair.com/role/EarningsPerShareTables">
<link:definition> 9954486 - Disclosure - Earnings Per Share (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="BusinessCombinationsandAssetAcquisitionsTables" roleURI="http://www.alaskaair.com/role/BusinessCombinationsandAssetAcquisitionsTables">
<link:definition> 9954487 - Disclosure - Business Combinations and Asset Acquisitions (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESCASHANDCASHEQUIVALENTSDetails" roleURI="http://www.alaskaair.com/role/GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESCASHANDCASHEQUIVALENTSDetails">
<link:definition> 9954488 - Disclosure - GENERAL AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - CASH AND CASH EQUIVALENTS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESINVENTORIESANDSUPPLIESNETDetails" roleURI="http://www.alaskaair.com/role/GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESINVENTORIESANDSUPPLIESNETDetails">
<link:definition> 9954489 - Disclosure - GENERAL AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - INVENTORIES AND SUPPLIES - NET (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPROPERTYEQUIPMENTANDDEPRECIATIONDetails" roleURI="http://www.alaskaair.com/role/GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPROPERTYEQUIPMENTANDDEPRECIATIONDetails">
<link:definition> 9954490 - Disclosure - GENERAL AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - PROPERTY, EQUIPMENT AND DEPRECIATION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESADVERTISINGEXPENSESDetails" roleURI="http://www.alaskaair.com/role/GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESADVERTISINGEXPENSESDetails">
<link:definition> 9954491 - Disclosure - GENERAL AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - ADVERTISING EXPENSES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESGENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSTOCKBASEDCOMPENSATIONDetails" roleURI="http://www.alaskaair.com/role/GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESGENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSTOCKBASEDCOMPENSATIONDetails">
<link:definition> 9954492 - Disclosure - GENERAL AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES GENERAL AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - STOCK-BASED COMPENSATION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMAINTENANCEDEPOSITSDetails" roleURI="http://www.alaskaair.com/role/GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMAINTENANCEDEPOSITSDetails">
<link:definition> 9954493 - Disclosure - GENERAL AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - MAINTENANCE DEPOSITS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESLEASERETURNPROVISIONDetails" roleURI="http://www.alaskaair.com/role/GENERALANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESLEASERETURNPROVISIONDetails">
<link:definition> 9954494 - Disclosure - GENERAL AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - LEASE RETURN PROVISION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="FLEETTRANSITIONDetails" roleURI="http://www.alaskaair.com/role/FLEETTRANSITIONDetails">
<link:definition> 9954495 - Disclosure - FLEET TRANSITION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="COVID19PANDEMICNARRATIVEDetails" roleURI="http://www.alaskaair.com/role/COVID19PANDEMICNARRATIVEDetails">
<link:definition> 9954496 - Disclosure - COVID-19 PANDEMIC NARRATIVE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="REVENUEFROMCONTRACTSWITHCUSTOMERSDetails" roleURI="http://www.alaskaair.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSDetails">
<link:definition> 9954497 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="REVENUEFROMCONTRACTSWITHCUSTOMERSContractLiabilitiesActivityDetails" roleURI="http://www.alaskaair.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSContractLiabilitiesActivityDetails">
<link:definition> 9954498 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS Contract Liabilities Activity (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="REVENUEFROMCONTRACTSWITHCUSTOMERSNarrativeDetails" roleURI="http://www.alaskaair.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSNarrativeDetails">
<link:definition> 9954499 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="DERIVATIVEINSTRUMENTSBALANCESHEETCLASSIFICATIONDetails" roleURI="http://www.alaskaair.com/role/DERIVATIVEINSTRUMENTSBALANCESHEETCLASSIFICATIONDetails">
<link:definition> 9954500 - Disclosure - DERIVATIVE INSTRUMENTS - BALANCE SHEET CLASSIFICATION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="DERIVATIVEINSTRUMENTSINCOMESTATEMENTDetails" roleURI="http://www.alaskaair.com/role/DERIVATIVEINSTRUMENTSINCOMESTATEMENTDetails">
<link:definition> 9954501 - Disclosure - DERIVATIVE INSTRUMENTS - INCOME STATEMENT (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="DERIVATIVEINSTRUMENTSFAIRVALUEOFHEDGEPOSITIONSDetails" roleURI="http://www.alaskaair.com/role/DERIVATIVEINSTRUMENTSFAIRVALUEOFHEDGEPOSITIONSDetails">
<link:definition> 9954502 - Disclosure - DERIVATIVE INSTRUMENTS - FAIR VALUE OF HEDGE POSITIONS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="FAIRVALUEMEASUREMENTSFAIRVALUEOFASSETSANDLIABILITIESDetails" roleURI="http://www.alaskaair.com/role/FAIRVALUEMEASUREMENTSFAIRVALUEOFASSETSANDLIABILITIESDetails">
<link:definition> 9954503 - Disclosure - FAIR VALUE MEASUREMENTS - FAIR VALUE OF ASSETS AND LIABILITIES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="FAIRVALUEMEASUREMENTSFAIRVALUEMEASUREMENTSCASHCASHEQUIVALENTSANDMARKETABLESECURITIESMATURITIESDetails" roleURI="http://www.alaskaair.com/role/FAIRVALUEMEASUREMENTSFAIRVALUEMEASUREMENTSCASHCASHEQUIVALENTSANDMARKETABLESECURITIESMATURITIESDetails">
<link:definition> 9954504 - Disclosure - FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS - CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES - MATURITIES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="FAIRVALUEMEASUREMENTSLONGTERMDEBTDetails" roleURI="http://www.alaskaair.com/role/FAIRVALUEMEASUREMENTSLONGTERMDEBTDetails">
<link:definition> 9954505 - Disclosure - FAIR VALUE MEASUREMENTS - LONG-TERM DEBT (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LONGTERMDEBTSCHEDULEOFLONGTERMDEBTDetails" roleURI="http://www.alaskaair.com/role/LONGTERMDEBTSCHEDULEOFLONGTERMDEBTDetails">
<link:definition> 9954506 - Disclosure - LONG-TERM DEBT - SCHEDULE OF LONG-TERM DEBT (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LONGTERMDEBTLONGTERMDEBTSECUREDDEBTDetails" roleURI="http://www.alaskaair.com/role/LONGTERMDEBTLONGTERMDEBTSECUREDDEBTDetails">
<link:definition> 9954507 - Disclosure - LONG-TERM DEBT LONG-TERM DEBT - SECURED DEBT (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LONGTERMDEBTLINEOFCREDITDetails" roleURI="http://www.alaskaair.com/role/LONGTERMDEBTLINEOFCREDITDetails">
<link:definition> 9954508 - Disclosure - LONG-TERM DEBT - LINE OF CREDIT (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LEASESNARRATIVEDetails" roleURI="http://www.alaskaair.com/role/LEASESNARRATIVEDetails">
<link:definition> 9954509 - Disclosure - LEASES - NARRATIVE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LEASESScheduleofLeasedAssetsDetails" roleURI="http://www.alaskaair.com/role/LEASESScheduleofLeasedAssetsDetails">
<link:definition> 9954510 - Disclosure - LEASES - Schedule of Leased Assets (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LEASESLeaseCostDetails" roleURI="http://www.alaskaair.com/role/LEASESLeaseCostDetails">
<link:definition> 9954511 - Disclosure - LEASES - Lease Cost (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LEASESMaturityofLeaseLiabilitiesDetails" roleURI="http://www.alaskaair.com/role/LEASESMaturityofLeaseLiabilitiesDetails">
<link:definition> 9954512 - Disclosure - LEASES - Maturity of Lease Liabilities (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LEASESFutureMinimumLeasePaymentsDetails" roleURI="http://www.alaskaair.com/role/LEASESFutureMinimumLeasePaymentsDetails">
<link:definition> 9954513 - Disclosure - LEASES - Future Minimum Lease Payments (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="INCOMETAXESDEFERREDTAXASSETSANDLIABILITIESDetails" roleURI="http://www.alaskaair.com/role/INCOMETAXESDEFERREDTAXASSETSANDLIABILITIESDetails">
<link:definition> 9954514 - Disclosure - INCOME TAXES - DEFERRED TAX ASSETS AND LIABILITIES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="INCOMETAXESCOMPONENTSOFTAXEXPENSEDetails" roleURI="http://www.alaskaair.com/role/INCOMETAXESCOMPONENTSOFTAXEXPENSEDetails">
<link:definition> 9954515 - Disclosure - INCOME TAXES - COMPONENTS OF TAX EXPENSE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="INCOMETAXESEFFECTIVEINCOMETAXRECONCILIATIONDetails" roleURI="http://www.alaskaair.com/role/INCOMETAXESEFFECTIVEINCOMETAXRECONCILIATIONDetails">
<link:definition> 9954516 - Disclosure - INCOME TAXES - EFFECTIVE INCOME TAX RECONCILIATION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="INCOMETAXESINCOMETAXESUNCERTAINTAXPOSITIONSDetails" roleURI="http://www.alaskaair.com/role/INCOMETAXESINCOMETAXESUNCERTAINTAXPOSITIONSDetails">
<link:definition> 9954517 - Disclosure - INCOME TAXES INCOME TAXES - UNCERTAIN TAX POSITIONS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="INCOMETAXESINCOMETAXESNARRATIVEDetails" roleURI="http://www.alaskaair.com/role/INCOMETAXESINCOMETAXESNARRATIVEDetails">
<link:definition> 9954518 - Disclosure - INCOME TAXES INCOME TAXES NARRATIVE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="INCOMETAXESNEWACCOUNTINGSTANDARDSDetails" roleURI="http://www.alaskaair.com/role/INCOMETAXESNEWACCOUNTINGSTANDARDSDetails">
<link:definition> 9954519 - Disclosure - INCOME TAXES NEW ACCOUNTING STANDARDS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EMPLOYEEBENEFITPLANSEMPLOYEEBENEFITPLANSADDITIONALINFORMATIONDetails" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSEMPLOYEEBENEFITPLANSADDITIONALINFORMATIONDetails">
<link:definition> 9954520 - Disclosure - EMPLOYEE BENEFIT PLANS EMPLOYEE BENEFIT PLANS - ADDITIONAL INFORMATION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EMPLOYEEBENEFITPLANSASSUMPTIONSDetails" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSASSUMPTIONSDetails">
<link:definition> 9954521 - Disclosure - EMPLOYEE BENEFIT PLANS - ASSUMPTIONS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EMPLOYEEBENEFITPLANSPLANASSETSDetails" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSPLANASSETSDetails">
<link:definition> 9954522 - Disclosure - EMPLOYEE BENEFIT PLANS - PLAN ASSETS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EMPLOYEEBENEFITPLANSFUNDEDSTATUSDetails" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSFUNDEDSTATUSDetails">
<link:definition> 9954523 - Disclosure - EMPLOYEE BENEFIT PLANS - FUNDED STATUS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 9954524 - Disclosure - EMPLOYEE BENEFIT PLANS - AMOUNTS RECOGNIZED IN CONSOLIDATED BALANCE SHEETS (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="EMPLOYEEBENEFITPLANSEXPECTEDAMORTIZATIONFROMAOCIDetails" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSEXPECTEDAMORTIZATIONFROMAOCIDetails">
<link:definition> 9954525 - Disclosure - EMPLOYEE BENEFIT PLANS - EXPECTED AMORTIZATION FROM AOCI (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="EMPLOYEEBENEFITPLANSNETPENSIONEXPENSEDetails" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSNETPENSIONEXPENSEDetails">
<link:definition> 9954526 - Disclosure - EMPLOYEE BENEFIT PLANS - NET PENSION EXPENSE (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="EMPLOYEEBENEFITPLANSFUTUREBENEFITSEXPECTEDTOBEPAIDDetails" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSFUTUREBENEFITSEXPECTEDTOBEPAIDDetails">
<link:definition> 9954527 - Disclosure - EMPLOYEE BENEFIT PLANS - FUTURE BENEFITS EXPECTED TO BE PAID (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EMPLOYEEBENEFITPLANSEMPLOYEEBENEFITPLANSPOSTRETIREMENTMEDICALBENEFITSDetails" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSEMPLOYEEBENEFITPLANSPOSTRETIREMENTMEDICALBENEFITSDetails">
<link:definition> 9954528 - Disclosure - EMPLOYEE BENEFIT PLANS EMPLOYEE BENEFIT PLANS - POSTRETIREMENT MEDICAL BENEFITS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="EMPLOYEEBENEFITPLANSDEFINEDCONTRIBUTIONPLANSDetails" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSDEFINEDCONTRIBUTIONPLANSDetails">
<link:definition> 9954529 - Disclosure - EMPLOYEE BENEFIT PLANS - DEFINED CONTRIBUTION PLANS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="EMPLOYEEBENEFITPLANSPILOTLONGTERMDISABILITYBENEFITSDetails" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSPILOTLONGTERMDISABILITYBENEFITSDetails">
<link:definition> 9954530 - Disclosure - EMPLOYEE BENEFIT PLANS - PILOT LONG-TERM DISABILITY BENEFITS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EMPLOYEEBENEFITPLANSEMPLOYEEINCENTIVEPAYPLANSDetails" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSEMPLOYEEINCENTIVEPAYPLANSDetails">
<link:definition> 9954531 - Disclosure - EMPLOYEE BENEFIT PLANS - EMPLOYEE INCENTIVE-PAY PLANS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="EMPLOYEEBENEFITPLANSPROJECTEDBENEFITOBLIGATIONDetails" roleURI="http://www.alaskaair.com/role/EMPLOYEEBENEFITPLANSPROJECTEDBENEFITOBLIGATIONDetails">
<link:definition> 9954532 - Disclosure - EMPLOYEE BENEFIT PLANS - PROJECTED BENEFIT OBLIGATION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="COMMITMENTSANDCONTINGENCIESCOMMITMENTSANDCONTINGENCIESDetails" roleURI="http://www.alaskaair.com/role/COMMITMENTSANDCONTINGENCIESCOMMITMENTSANDCONTINGENCIESDetails">
<link:definition> 9954533 - Disclosure - COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="SHAREHOLDERSEQUITYSHAREHOLDERSEQUITYSTOCKCHANGESDetails" roleURI="http://www.alaskaair.com/role/SHAREHOLDERSEQUITYSHAREHOLDERSEQUITYSTOCKCHANGESDetails">
<link:definition> 9954534 - Disclosure - SHAREHOLDER'S EQUITY SHAREHOLDERS' EQUITY - STOCK CHANGES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SHAREHOLDERSEQUITYSHAREHOLDERSEQUITYDIVIDENDSDetails" roleURI="http://www.alaskaair.com/role/SHAREHOLDERSEQUITYSHAREHOLDERSEQUITYDIVIDENDSDetails">
<link:definition> 9954535 - Disclosure - SHAREHOLDER'S EQUITY SHAREHOLDERS' EQUITY - DIVIDENDS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SHAREHOLDERSEQUITYCOMMONSTOCKREPURCHASEDetails" roleURI="http://www.alaskaair.com/role/SHAREHOLDERSEQUITYCOMMONSTOCKREPURCHASEDetails">
<link:definition> 9954536 - Disclosure - SHAREHOLDER'S EQUITY - COMMON STOCK REPURCHASE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SHAREHOLDERSEQUITYSHAREHOLDERSEQUITYOTHERDetails" roleURI="http://www.alaskaair.com/role/SHAREHOLDERSEQUITYSHAREHOLDERSEQUITYOTHERDetails">
<link:definition> 9954537 - Disclosure - SHAREHOLDER'S EQUITY SHAREHOLDERS' EQUITY - OTHER (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="SHAREHOLDERSEQUITYSHAREHOLDERSEQUITYACCUMULATEDOTHERCOMPREHENSIVELOSSDetails" roleURI="http://www.alaskaair.com/role/SHAREHOLDERSEQUITYSHAREHOLDERSEQUITYACCUMULATEDOTHERCOMPREHENSIVELOSSDetails">
<link:definition> 9954538 - Disclosure - SHAREHOLDER'S EQUITY SHAREHOLDERS' EQUITY - ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SHAREHOLDERSEQUITYCARESActIssuanceDetails" roleURI="http://www.alaskaair.com/role/SHAREHOLDERSEQUITYCARESActIssuanceDetails">
<link:definition> 9954539 - Disclosure - SHAREHOLDER'S EQUITY CARES Act Issuance (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="ACCUMULATEDOTHERCOMPREHENSIVELOSSDetails" roleURI="http://www.alaskaair.com/role/ACCUMULATEDOTHERCOMPREHENSIVELOSSDetails">
<link:definition> 9954540 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="STOCKBASEDCOMPENSATIONPLANSDetails" roleURI="http://www.alaskaair.com/role/STOCKBASEDCOMPENSATIONPLANSDetails">
<link:definition> 9954541 - Disclosure - STOCK-BASED COMPENSATION PLANS (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="OPERATINGSEGMENTINFORMATIONDetails" roleURI="http://www.alaskaair.com/role/OPERATINGSEGMENTINFORMATIONDetails">
<link:definition> 9954542 - Disclosure - OPERATING SEGMENT INFORMATION (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="EarningsPerShareDetails" roleURI="http://www.alaskaair.com/role/EarningsPerShareDetails">
<link:definition> 9954543 - Disclosure - Earnings Per Share (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="BusinessCombinationsandAssetAcquisitionsDetails" roleURI="http://www.alaskaair.com/role/BusinessCombinationsandAssetAcquisitionsDetails">
<link:definition> 9954544 - Disclosure - Business Combinations and Asset Acquisitions (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<xs:element id="alk_MileagePlanServicesOtherMember" abstract="true" name="MileagePlanServicesOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_ProceedsFromPayrollSupportProgramGrant" abstract="false" name="ProceedsFromPayrollSupportProgramGrant" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_CARESActPSPWarrantsIssuedValue" abstract="false" name="CARESActPSPWarrantsIssuedValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_ProceedsFromIssuanceOfLongTermDebtNoncashProceedsMember" abstract="true" name="ProceedsFromIssuanceOfLongTermDebtNoncashProceedsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="alk_A320AcMember" abstract="true" name="A320AcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AlaskaMainlineMember" abstract="true" name="AlaskaMainlineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_LeaseReturnProvisionCurrent" abstract="false" name="LeaseReturnProvisionCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_AcceleratedAircraftOwnershipExpensesMember" abstract="true" name="AcceleratedAircraftOwnershipExpensesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_PretaxMarginGAAP" abstract="false" name="PretaxMarginGAAP" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="alk_PSP2WarrantsMember" abstract="true" name="PSP2WarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_DeferredStockAwardsMember" abstract="true" name="DeferredStockAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_ScheduleofLeaseAssetsTableTextBlock" abstract="false" name="ScheduleofLeaseAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="alk_AircraftRentMember" abstract="true" name="AircraftRentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_FirmAircraftCommitmentMember" abstract="true" name="FirmAircraftCommitmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AircraftFuelExpenseMember" abstract="true" name="AircraftFuelExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_CARESActLoanProgramWarrantsMember" abstract="true" name="CARESActLoanProgramWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_BusinessAcquisitionAmountPaidToEachHolderOfRecord" abstract="false" name="BusinessAcquisitionAmountPaidToEachHolderOfRecord" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_ClassOfWarrantOrRightNumberOfWarrantsAuthorized" abstract="false" name="ClassOfWarrantOrRightNumberOfWarrantsAuthorized" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_DividendIncrease" abstract="false" name="DividendIncrease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="alk_LeasedAircraftReturnCosts" abstract="false" name="LeasedAircraftReturnCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_PaymentsToAcquirePropertyPlantAndEquipmentIncludingNonCash" abstract="false" name="PaymentsToAcquirePropertyPlantAndEquipmentIncludingNonCash" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_PAGAPenaltiesMember" abstract="true" name="PAGAPenaltiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_CreditFacility1Member" abstract="true" name="CreditFacility1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_McGeeAirServicesMember" abstract="true" name="McGeeAirServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_VariableRateNotesPayableDueThrough2035Member" abstract="true" name="VariableRateNotesPayableDueThrough2035Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_E175Member" abstract="true" name="E175Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_OperatingLeaseAxis" abstract="true" name="OperatingLeaseAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
<xs:element id="alk_CaidPaidRefundedAbstract" abstract="true" name="CaidPaidRefundedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="alk_LeasedAircraftReturnCostsPolicyTextBlock" abstract="false" name="LeasedAircraftReturnCostsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="alk_SpecialItemsImpairmentChargesAndOtherNoncash" abstract="false" name="SpecialItemsImpairmentChargesAndOtherNoncash" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_PurchaseTypeAxis" abstract="true" name="PurchaseTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
<xs:element id="alk_HorizonMember" abstract="true" name="HorizonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AirTrafficLiabilityMember" abstract="true" name="AirTrafficLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_UnrecordedUnconditionalPurchaseObligationOptiontoPurchaseAdditional" abstract="false" name="UnrecordedUnconditionalPurchaseObligationOptiontoPurchaseAdditional" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="alk_DebtPrepaymentsMember" abstract="true" name="DebtPrepaymentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AOCIInterestRateDerivativesMember" abstract="true" name="AOCIInterestRateDerivativesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_Federal1120RefundMember" abstract="true" name="Federal1120RefundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeSourcingAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeSourcingAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_DefinedBenefitInterestCostPBO" abstract="false" name="DefinedBenefitInterestCostPBO" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_CreditBondIndexFundMember" abstract="true" name="CreditBondIndexFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_PSP3WarrantsMember" abstract="true" name="PSP3WarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_DefinedBenefitPlanServiceCostIncludingEarlyOutExpense" abstract="false" name="DefinedBenefitPlanServiceCostIncludingEarlyOutExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_SpecialItemsNetNonOperating" abstract="false" name="SpecialItemsNetNonOperating" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_LeaseReturnCostsAndOtherExpensesMember" abstract="true" name="LeaseReturnCostsAndOtherExpensesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_USTreasuryCARESActLoanMember" abstract="true" name="USTreasuryCARESActLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_A319NonopMember" abstract="true" name="A319NonopMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_QuarterlyPayoutToEmployeeUnderEmployeeIncentivePlanMaximum" abstract="false" name="QuarterlyPayoutToEmployeeUnderEmployeeIncentivePlanMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="alk_CargoServicesMember" abstract="true" name="CargoServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_CorporaterealestateMember" abstract="true" name="CorporaterealestateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_CargoandOtherRevenueMember" abstract="true" name="CargoandOtherRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_FleetTransitionSpecialChargeCategoryAxis" abstract="true" name="FleetTransitionSpecialChargeCategoryAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
<xs:element id="alk_PSP1WarrantsMember" abstract="true" name="PSP1WarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_LineOfCreditFacilityAssetRestrictionsUnrestrictedCashAndMarketableSecurities" abstract="false" name="LineOfCreditFacilityAssetRestrictionsUnrestrictedCashAndMarketableSecurities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_PercentofMileageBreakage" abstract="false" name="PercentofMileageBreakage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="alk_CARESActPSPProgramAxis" abstract="true" name="CARESActPSPProgramAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
<xs:element id="alk_NumberOfMainlineAircraftParked" abstract="false" name="NumberOfMainlineAircraftParked" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="alk_PassengerTicketsMember" abstract="true" name="PassengerTicketsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodEstimatedFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodEstimatedFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_ConsolidatingAndOtherMember" abstract="true" name="ConsolidatingAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_DeferredTaxAssetsLeasingArrangement" abstract="false" name="DeferredTaxAssetsLeasingArrangement" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_PretaxMarginAdjusted" abstract="false" name="PretaxMarginAdjusted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="alk_Q400NonopMember" abstract="true" name="Q400NonopMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_July2020EETCMember" abstract="true" name="July2020EETCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_CARESActPSPProgramDomain" abstract="true" name="CARESActPSPProgramDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_PurchaseTypeDomain" abstract="true" name="PurchaseTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_VirginAmericaInc.Member" abstract="true" name="VirginAmericaInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AircraftMember" abstract="true" name="AircraftMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_PayrollSupportProgramGrantRecognized" abstract="false" name="PayrollSupportProgramGrantRecognized" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_TotalUnsecuredTermLoanThroughPSPOfCARESAct" abstract="false" name="TotalUnsecuredTermLoanThroughPSPOfCARESAct" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_TotalMarketableSecuritiesFVMember" abstract="true" name="TotalMarketableSecuritiesFVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_A319Member" abstract="true" name="A319Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_CARESPSP2Member" abstract="true" name="CARESPSP2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AircraftOptionAndOtherRightsMember" abstract="true" name="AircraftOptionAndOtherRightsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_NumberofNonQualifiedDefinedBenefitPlans" abstract="false" name="NumberofNonQualifiedDefinedBenefitPlans" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="alk_FuelHedgeContractsNoncurrentMember" abstract="true" name="FuelHedgeContractsNoncurrentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_PassengerRevenueMember" abstract="true" name="PassengerRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_FleetTransitionImpairmentMember" abstract="true" name="FleetTransitionImpairmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="alk_FixedRateEETCPayableDueThrough2027Member" abstract="true" name="FixedRateEETCPayableDueThrough2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="alk_AlaskaRegionalMember" abstract="true" name="AlaskaRegionalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_VariableIncentiveCompensation" abstract="false" name="VariableIncentiveCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_AssetImpairmentChargeMember" abstract="true" name="AssetImpairmentChargeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_NotesPayableFairValueDisclosureBeforePurchasePriceAccountingFairValueAdjustment" abstract="false" name="NotesPayableFairValueDisclosureBeforePurchasePriceAccountingFairValueAdjustment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_VariableRateDebtWithInterestRateSwapMember" abstract="true" name="VariableRateDebtWithInterestRateSwapMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_SpecialItemsImpairmentChargesAndOther" abstract="false" name="SpecialItemsImpairmentChargesAndOther" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_DeferredTaxAssetsLeaseholdMaintenance" abstract="false" name="DeferredTaxAssetsLeaseholdMaintenance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_ContractwithCustomerLiabilityIncreaseFromIssuanceofCredits" abstract="false" name="ContractwithCustomerLiabilityIncreaseFromIssuanceofCredits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_CreditFacility3Member" abstract="true" name="CreditFacility3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_CARESActPSPTermLoanMember" abstract="true" name="CARESActPSPTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AirGroupAdjustedMember" abstract="true" name="AirGroupAdjustedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AircraftMaintenanceandPartsManagementMember" abstract="true" name="AircraftMaintenanceandPartsManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_FixedRateNotesPayableDueThrough2029Member" abstract="true" name="FixedRateNotesPayableDueThrough2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AircraftTransactionStatusDomain" abstract="true" name="AircraftTransactionStatusDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="alk_Q400Member" abstract="true" name="Q400Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_RegionalCarrierExpense" abstract="false" name="RegionalCarrierExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_NumberofPartnerAIrlines" abstract="false" name="NumberofPartnerAIrlines" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
<xs:element id="alk_WeightedAverageLeaseAssumptionsTableTextBlock" abstract="false" name="WeightedAverageLeaseAssumptionsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="alk_DebtPaymentsDomain" abstract="true" name="DebtPaymentsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_LAXRedevelopmentProjectTotalExpectedOutlay" abstract="false" name="LAXRedevelopmentProjectTotalExpectedOutlay" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_AirportFacilitiesMember" abstract="true" name="AirportFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_RevenuefromContractswithCustomerAbstract" abstract="true" name="RevenuefromContractswithCustomerAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="alk_PrefundedTrustAccount" abstract="false" name="PrefundedTrustAccount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_FuelHedgeContractsCurrentMember" abstract="true" name="FuelHedgeContractsCurrentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_OperatingExpensesExcludingFuel" abstract="false" name="OperatingExpensesExcludingFuel" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_OperatingLeaseConvertedToFinanceLease" abstract="false" name="OperatingLeaseConvertedToFinanceLease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_AircraftMaintenanceDepositsMember" abstract="true" name="AircraftMaintenanceDepositsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_VariableRateNotesPayableDueThrough2024Member" abstract="true" name="VariableRateNotesPayableDueThrough2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AircraftMaintenanceDeposits" abstract="false" name="AircraftMaintenanceDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_OtherAccruedLiabilitiesMember" abstract="true" name="OtherAccruedLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AirbusMember" abstract="true" name="AirbusMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_SecuredByOtherMember" abstract="true" name="SecuredByOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_PassengerAncillaryServicesMember" abstract="true" name="PassengerAncillaryServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AOCIEmployeeBenefitPlanMember" abstract="true" name="AOCIEmployeeBenefitPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_A20151BillionRepurchaseProgramMember" abstract="true" name="A20151BillionRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_ProceedsFromIssuanceOfLongTermDebtCashProceedsMember" abstract="true" name="ProceedsFromIssuanceOfLongTermDebtCashProceedsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="alk_OperatingLeaseDomain" abstract="true" name="OperatingLeaseDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_OperatingLossAvailableToOffsetPriorYearIncome" abstract="false" name="OperatingLossAvailableToOffsetPriorYearIncome" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="alk_AccumulatedOtherComprehensiveIncomeLossBalanceSheetLocationMember" abstract="true" name="AccumulatedOtherComprehensiveIncomeLossBalanceSheetLocationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_OtherStateAmendedReturnRefundsMember" abstract="true" name="OtherStateAmendedReturnRefundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="alk_AircraftFirmCommitmentsNewInPeriodMember" abstract="true" name="AircraftFirmCommitmentsNewInPeriodMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
</xs:schema>

19 Previous Filings that this Filing References

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

12/04/23  Alaska Air Group, Inc.            8-K:1,7,9  12/02/23   13:13M                                    Donnelley … Solutions/FA
11/02/23  Alaska Air Group, Inc.            10-Q        9/30/23   60:7.9M
 5/05/23  Alaska Air Group, Inc.            10-Q        3/31/23   58:7.1M
 2/13/23  Alaska Air Group, Inc.            10-K       12/31/22  104:15M
 8/02/22  Alaska Air Group, Inc.            10-Q        6/30/22   57:8.1M
 5/05/22  Alaska Air Group, Inc.            10-Q        3/31/22   58:6.8M
 2/11/22  Alaska Air Group, Inc.            10-K       12/31/21  141:15M
11/04/21  Alaska Air Group, Inc.            10-Q        9/30/21   62:9.1M
 8/03/21  Alaska Air Group, Inc.            10-Q        6/30/21   73:10M
 5/06/21  Alaska Air Group, Inc.            10-Q        3/31/21   61:7.1M
 2/26/21  Alaska Air Group, Inc.            10-K       12/31/20  121:17M
 2/12/20  Alaska Air Group, Inc.            10-K       12/31/19  111:17M
 5/04/18  Alaska Air Group, Inc.            10-Q        3/31/18   58:9.1M
 8/03/17  Alaska Air Group, Inc.            10-Q        6/30/17   57:9.5M
 5/18/16  Alaska Air Group, Inc.            8-K:5,9     5/12/16    2:221K
 5/09/16  Alaska Air Group, Inc.            10-Q        3/31/16   58:6.8M
 2/11/16  Alaska Air Group, Inc.            10-K       12/31/15   94:13M
 2/14/13  Alaska Air Group, Inc.            10-K       12/31/12   93:20M
 8/04/11  Alaska Air Group, Inc.            10-Q        6/30/11   65:8.9M
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