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Unusual or Infrequently Occurring Items (Tables) | 12 Months Ended
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Dec. 31, 2025
Unusual or Infrequent Items, or Both [Abstract] |
Restructuring and Related Costs | The table below summarizes special charges recorded during the years ended December 31, 2025, 2024, and 2023.
|  |  |  |  |  |  | Twelve Months Ended December 31,
(in thousands) |  |  |  |  |  |  | 2025 |  | 2024 |  | 2023
Accelerated depreciation on airframes identified for early retirement |  |  |  |  |  |  | $ | 8,029 |  |  | $ | 31,066 |  |  | $ | 35,091 |
Organizational restructuring |  |  |  |  |  |  | 12,095 |  |  | 3,420 |  |  | — |
Accelerated amortization and disposal of software identified for redevelopment |  |  |  |  |  |  | 19,292 |  |  | — |  |  | — |
Costs related to Sun Country Airlines acquisition |  |  |  |  |  |  | 4,123 |  |  | — |  |  | — |
Flight attendant ratification bonus |  |  |  |  |  |  | — |  |  | 10,821 |  |  | — |
Airline special charges |  |  |  |  |  |  | 43,539 |  |  | 45,307 |  |  | 35,091 |
Sunseeker special charges, net of insurance recoveries |  |  |  |  |  |  | 94,166 |  |  | 322,824 |  |  | (6,446) |
Total special charges |  |  |  |  |  |  | $ | 137,705 |  |  | $ | 368,131 |  |  | $ | 28,645 |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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