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Supplemental Financial Information (Tables) | 9 Months Ended
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Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Accounts and Other Receivables |
(in millions) | September 30, 2025 |  | December 31, 2024 |
Trade receivables | $ | 52 |  |  | $ | 47 |  |
Credit card receivables | 199 |  |  | 143 |  |
Business partners | 736 |  |  | 573 |  |
Taxes receivable | 10 |  |  | 11 |  |
Fuel hedging and receivables | — |  |  | 1 |  |
Reinsurance receivable and losses recoverable | 97 |  |  | 168 |  |
Other | 24 |  |  | 167 |  |
Accounts and other receivables | $ | 1,118 |  |  | $ | 1,110 |  |
Schedule of Other Assets |
(in millions) | September 30, 2025 |  | December 31, 2024 |
Derivative contracts | $ | — |  |  | $ | 90 |  |
Intangible assets, net | 295 |  |  | 300 |  |
Equity securities | 433 |  |  | 367 |  |
Prepaid maintenance | 282 |  |  | 263 |  |
Other | 63 |  |  | 61 |  |
Other assets | $ | 1,073 |  |  | $ | 1,081 |  |
Schedule of Accounts Payable |
(in millions) | September 30, 2025 |  | December 31, 2024 |
Accounts payable trade | $ | 503 |  |  | $ | 339 |  |
Salaries, withholdings and payroll taxes | 452 |  |  | 536 |  |
Ticket taxes and fees | 302 |  |  | 318 |  |
Aircraft maintenance payable | 43 |  |  | 33 |  |
Fuel payable | 65 |  |  | 86 |  |
Dividends payable | — |  |  | 107 |  |
Third party services | 177 |  |  | 176 |  |
Other payable | 166 |  |  | 223 |  |
Accounts payable | $ | 1,708 |  |  | $ | 1,818 |  |
Schedule of Accrued Liabilities |
(in millions) | September 30, 2025 |  | December 31, 2024 |
Voluntary Separation Program and severance pay | $ | 2 |  |  | $ | 48 |  |
Profit-sharing and savings plans | 44 |  |  | 151 |  |
Vacation pay | 682 |  |  | 657 |  |
Health | 218 |  |  | 192 |  |
Workers compensation | 225 |  |  | 178 |  |
Property and income taxes | 69 |  |  | 53 |  |
Interest | 36 |  |  | 23 |  |
Deferred supplier credits | 12 |  |  | — |  |
Bonus pay | 112 |  |  | 208 |  |
Reinsurance payable and losses payable | 181 |  |  | 249 |  |
Aircraft maintenance | 138 |  |  | 92 |  |
Other | 372 |  |  | 355 |  |
Accrued liabilities | $ | 2,091 |  |  | $ | 2,206 |  |
Schedule of Other Noncurrent Liabilities |
(in millions) | September 30, 2025 |  | December 31, 2024 |
Postretirement obligation | $ | 261 |  |  | $ | 256 |  |
Other deferred compensation | 487 |  |  | 412 |  |
Other | 396 |  |  | 241 |  |
Other noncurrent liabilities | $ | 1,144 |  |  | $ | 909 |  |

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