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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Accounting Policies [Abstract]

Schedule of property, plant and equipment

Estimated useful lives and residual values for property and equipment are summarized as follows:

Property and Equipment Type						Estimated Useful Life						Residual Value
Aircraft (1)						25 years						20		%
Inflight entertainment systems						5-10 years						0		%
Aircraft parts						Fleet life						10		%
Flight equipment leasehold improvements						Lower of lease term or economic life						0		%
Ground property and equipment						2-10 years						0		%
Leasehold improvements - other						Lower of lease term or economic life						0		%
Buildings on leased land						Lower of lease term or economic life						0		%

(1) The estimated remaining useful life of our Embraer E190 fleet is less than 1 year with an average residual value of 12%. In addition, the Company is pursuing capital-light growth and as a result certain Airbus A320 airframes were extended to an estimated useful life of between 33 to 35 years with an average residual value of $1.5 million.

Schedule of Amortization Expense

As of December 31, 2024, amortization expense related to computer software is expected to be as follows (in millions):

						Amortization Expense
2025						$	54
2026						38
2027						29
2028						14
2029						3

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Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

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