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COMMITMENTS AND CONTINGENCIES (Tables) | 12 Months Ended
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Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract] |
Unrecorded Unconditional Purchase Obligations Disclosure | Details for contractual aircraft delivery commitments:
| Firm Orders |  | Options and Other Rights
Aircraft Type | 2025-2029 |  | 2026-2030
B737 | 74 |  | 100
B787-9 | 10 |  | —
E175 | 6 |  | —
Total | 90 |  | 100
A summary of aircraft-related and capacity purchase agreement commitments:
(in millions) |  | Aircraft-Related Commitments |  | Capacity Purchase Agreements
2025 |  | $ | 1,003 |  |  | $ | 204 |
2026 |  | 791 |  |  | 207 |
2027 |  | 1,313 |  |  | 213 |
2028 |  | 1,115 |  |  | 219 |
2029 |  | 259 |  |  | 224 |
Thereafter |  | — |  |  | 283 |
Total |  | $ | 4,481 |  |  | $ | 1,350 |

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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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