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OPERATING SEGMENT INFORMATION - Reportable Segments (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | $ 3,704 | $ 2,897 | $ 6,841 | $ 5,129 |
Wages and benefits | 1,165 | 782 | 2,292 | 1,586 |
Aircraft maintenance | 240 | 129 | 460 | 251 |
Aircraft rent | 64 | 46 | 126 | 93 |
Landing fees and other rentals | 278 | 173 | 520 | 338 |
Contracted services | 146 | 106 | 291 | 203 |
Selling expenses | 105 | 84 | 205 | 161 |
Depreciation and amortization | 199 | 128 | 393 | 254 |
Food and beverage service | 97 | 67 | 182 | 125 |
Other | 247 | 186 | 508 | 391 |
Regional carrier expenses | 69 | 64 | 133 | 118 |
Total Operating Expenses | 3,427 | 2,575 | 6,761 | 4,973 |
Interest income | 22 | 24 | 48 | 41 |
Interest expense | (66) | (36) | (132) | (71) |
Other - net | (4) | 0 | (12) | 0 |
Total Non-operating Expense | (39) | (6) | (75) | (18) |
Income Before Income Tax | 238 | 316 | 5 | 138 |
Reconciliation to Consolidated Income Before Income Tax: |  |  |  |  |
Special items - operating | 56 | 146 | 147 | 180 |
Total assets | 19,885 |  | 19,885 |  | $ 19,768
Capital expenditures | 549 | 553 | 810 | 655 |
Passenger revenue |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 3,355 | 2,651 | 6,163 | 4,655 |
Mileage Plan Revenue |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 571 | 464 | 1,094 | 876 |
Cargo and other revenue |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 139 | 72 | 261 | 136 |
Passenger | Passenger revenue |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 3,355 | 2,651 | 6,163 | 4,655 |
Passenger | Mileage Plan Revenue |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 361 | 290 | 677 | 538 |
Mileage plan other revenue | Mileage Plan Revenue |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 210 | 174 | 417 | 338 |
Cargo and Freight | Cargo and other revenue |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 139 | 72 | 261 | 136 |
Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 3,701 | 2,894 | 6,836 | 5,124 |
Wages and benefits | 1,029 | 663 | 2,027 | 1,346 |
Variable incentive pay | 56 | 46 | 112 | 83 |
Economic fuel | 701 | 620 | 1,385 | 1,198 |
Aircraft maintenance | 217 | 113 | 415 | 220 |
Aircraft rent | 37 | 19 | 73 | 39 |
Landing fees and other rentals | 225 | 134 | 422 | 262 |
Contracted services | 178 | 131 | 348 | 251 |
Selling expenses | 96 | 73 | 188 | 141 |
Depreciation and amortization | 184 | 113 | 364 | 225 |
Food and beverage service | 89 | 59 | 167 | 112 |
Other | 214 | 158 | 445 | 335 |
Regional carrier expenses | 371 | 329 | 716 | 637 |
Total Operating Expenses | 3,397 | 2,458 | 6,662 | 4,849 |
Interest income | 42 | 25 | 88 | 43 |
Interest expense | (77) | (26) | (155) | (51) |
Other - net | 6 | 7 | 15 | 11 |
Total Non-operating Expense | (29) | 6 | (52) | 3 |
Income Before Income Tax | 275 | 442 | 122 | 278 |
Operating Segments | Alaska Airlines |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 2,373 | 2,417 | 4,347 | 4,257 |
Wages and benefits | 752 | 663 | 1,473 | 1,346 |
Variable incentive pay | 41 | 46 | 84 | 83 |
Economic fuel | 437 | 520 | 856 | 1,005 |
Aircraft maintenance | 136 | 113 | 259 | 220 |
Aircraft rent | 21 | 19 | 42 | 39 |
Landing fees and other rentals | 166 | 134 | 308 | 262 |
Contracted services | 142 | 131 | 276 | 251 |
Selling expenses | 67 | 73 | 129 | 141 |
Depreciation and amortization | 124 | 113 | 246 | 225 |
Food and beverage service | 60 | 59 | 115 | 112 |
Other | 154 | 158 | 327 | 335 |
Regional carrier expenses | 0 | 0 | 0 | 0 |
Total Operating Expenses | 2,100 | 2,029 | 4,115 | 4,019 |
Interest income | 40 | 25 | 83 | 43 |
Interest expense | (51) | (26) | (103) | (51) |
Other - net | 5 | 7 | 12 | 11 |
Total Non-operating Expense | (6) | 6 | (8) | 3 |
Income Before Income Tax | 267 | 394 | 224 | 241 |
Reconciliation to Consolidated Income Before Income Tax: |  |  |  |  |
Total assets | 24,460 |  | 24,460 |  | 24,664
Capital expenditures | 330 | 529 | 422 | 581 |
Operating Segments | Hawaiian Airlines |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 857 | 0 | 1,604 | 0 |
Wages and benefits | 277 | 0 | 554 | 0 |
Variable incentive pay | 15 | 0 | 28 | 0 |
Economic fuel | 171 | 0 | 345 | 0 |
Aircraft maintenance | 81 | 0 | 156 | 0 |
Aircraft rent | 16 | 0 | 31 | 0 |
Landing fees and other rentals | 59 | 0 | 114 | 0 |
Contracted services | 36 | 0 | 72 | 0 |
Selling expenses | 29 | 0 | 59 | 0 |
Depreciation and amortization | 60 | 0 | 118 | 0 |
Food and beverage service | 29 | 0 | 52 | 0 |
Other | 60 | 0 | 118 | 0 |
Regional carrier expenses | 0 | 0 | 0 | 0 |
Total Operating Expenses | 833 | 0 | 1,647 | 0 |
Interest income | 2 | 0 | 5 | 0 |
Interest expense | (26) | 0 | (52) | 0 |
Other - net | 1 | 0 | 3 | 0 |
Total Non-operating Expense | (23) | 0 | (44) | 0 |
Income Before Income Tax | 1 | 0 | (87) | 0 |
Reconciliation to Consolidated Income Before Income Tax: |  |  |  |  |
Total assets | 4,725 |  | 4,725 |  | 4,423
Capital expenditures | 165 | 0 | 309 | 0 |
Operating Segments | Regional |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 471 | 477 | 885 | 867 |
Wages and benefits | 0 | 0 | 0 | 0 |
Variable incentive pay | 0 | 0 | 0 | 0 |
Economic fuel | 93 | 100 | 184 | 193 |
Aircraft maintenance | 0 | 0 | 0 | 0 |
Aircraft rent | 0 | 0 | 0 | 0 |
Landing fees and other rentals | 0 | 0 | 0 | 0 |
Contracted services | 0 | 0 | 0 | 0 |
Selling expenses | 0 | 0 | 0 | 0 |
Depreciation and amortization | 0 | 0 | 0 | 0 |
Food and beverage service | 0 | 0 | 0 | 0 |
Other | 0 | 0 | 0 | 0 |
Regional carrier expenses | 371 | 329 | 716 | 637 |
Total Operating Expenses | 464 | 429 | 900 | 830 |
Interest income | 0 | 0 | 0 | 0 |
Interest expense | 0 | 0 | 0 | 0 |
Other - net | 0 | 0 | 0 | 0 |
Total Non-operating Expense | 0 | 0 | 0 | 0 |
Income Before Income Tax | 7 | 48 | (15) | 37 |
Operating Segments | Passenger | Passenger revenue |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 3,355 | 2,651 | 6,163 | 4,655 |
Operating Segments | Passenger | Passenger revenue | Alaska Airlines |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 2,132 | 2,188 | 3,889 | 3,817 |
Operating Segments | Passenger | Passenger revenue | Hawaiian Airlines |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 769 | 0 | 1,422 | 0 |
Operating Segments | Passenger | Passenger revenue | Regional |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 454 | 463 | 852 | 838 |
Operating Segments | Mileage plan other revenue | Mileage Plan Revenue |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 210 | 174 | 417 | 338 |
Operating Segments | Mileage plan other revenue | Mileage Plan Revenue | Alaska Airlines |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 161 | 160 | 313 | 309 |
Operating Segments | Mileage plan other revenue | Mileage Plan Revenue | Hawaiian Airlines |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 32 | 0 | 71 | 0 |
Operating Segments | Mileage plan other revenue | Mileage Plan Revenue | Regional |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 17 | 14 | 33 | 29 |
Operating Segments | Cargo and Freight | Cargo and other revenue |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 136 | 69 | 256 | 131 |
Operating Segments | Cargo and Freight | Cargo and other revenue | Alaska Airlines |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 80 | 69 | 145 | 131 |
Operating Segments | Cargo and Freight | Cargo and other revenue | Hawaiian Airlines |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 56 | 0 | 111 | 0 |
Operating Segments | Cargo and Freight | Cargo and other revenue | Regional |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 0 | 0 | 0 | 0 |
Corporate And Eliminations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total segment operating revenue | 3 | 3 | 5 | 5 |
Income Before Income Tax | 20 | 15 | 33 | 22 |
Reconciliation to Consolidated Income Before Income Tax: |  |  |  |  |
Total assets | (9,300) |  | (9,300) |  | $ (9,319)
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment |  |  |  |  |
Reconciliation to Consolidated Income Before Income Tax: |  |  |  |  |
Aircraft fuel mark-to-market adjustment | 1 | 5 | 4 | 18 |
Losses on foreign debt | (2) |  | (7) |  |
Special items - operating | (56) | (146) | (147) | (180) |
Segment Reporting, Reconciling Item, Corporate Nonsegment |  |  |  |  |
Reconciliation to Consolidated Income Before Income Tax: |  |  |  |  |
Capital expenditures | 54 | 24 | 79 | 74 |
Segment Reporting, Reconciling Item, Corporate Nonsegment | Embraer E175 aircraft |  |  |  |  |
Reconciliation to Consolidated Income Before Income Tax: |  |  |  |  |
Capital expenditures | $ 46 | $ 23 | $ 69 | $ 68 |

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