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Commitments and Contingencies (Tables) | 3 Months Ended
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Mar. 31, 2025
Commitments and Contingencies Disclosure [Abstract] |
Summary of flight equipment commitments | As of March 31, 2025, o ur committed expenditures for aircraft and related flight equipment, including estimated amounts for contractual price escalations and pre-delivery deposits, are set forth in the table below (in millions):
Flight Equipment Commitments |
Year | Total
Remainder of 2025 | $ | 734 |
2026 | 721 |
2027 | 393 |
2028 | 410 |
2029 | 321 |
Thereafter | 3,727 |
Total | $ | 6,306 |
Our committed aircraft deliveries as of March 31, 2025 include the following aircraft:
Flight Equipment Deliveries (1) |  |  |  |  |
Year | Airbus A220 |  | Airbus A321neo |  | Total
Remainder of 2025 | 15 |  |  | 3 |  |  | 18 |
2026 | 16 |  |  | 1 |  |  | 17 |
2027 | 8 |  |  | — |  |  | 8 |
2028 | 9 |  |  | — |  |  | 9 |
2029 | 7 |  |  | — |  |  | 7 |
Thereafter | — |  |  | 44 |  |  | 44 |
Total (2) | 55 |  |  | 48 |  |  | 103 |
(1) Our committed future aircraft deliveries are subject to change based on modifications to the contractual agreements or changes in the delivery schedules. (2) In addition, we have options to purchase 20 A220-300 aircraft in 2027 and 2028.

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- Definition Tabular disclosure of unconditional purchase obligation not recognized as liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 440 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482648/440-10-50-4 + Details
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