The estimated useful lives of the principal asset classes are shown below.
Aircraft, engines and related rotable parts 10-25 Years
Buildings and leasehold improvements10-39 Years
Equipment5-10 Years
Computer hardware and software3-15 Years
Property and equipment consisted of the following:
As of December 31,
 (in thousands)20252024
Airline
Flight equipment$3,584,212 $3,345,458 
Computer hardware and software339,441 320,432 
Land and buildings/leasehold improvements83,304 66,115 
Other property and equipment118,894 115,043 
Sunseeker Resort (1)
Land and buildings/leasehold improvements— 255,201 
Other property and equipment— 34,894 
Total property and equipment4,125,851 4,137,143 
Less accumulated depreciation and amortization(1,178,315)(1,067,194)
Property and equipment, net$2,947,536 $3,069,949 

(1) On September 4, 2025, the Company completed the sale of Sunseeker Resort and related Aileron Golf Course. See Note 15.

Historical Timeline

Fiscal YearFiled
2025Feb 26, 2026Showing above
2024Mar 3, 2025
2023Feb 29, 2024
2022Feb 27, 2023
2020Mar 1, 2021
2019Feb 27, 2020
2018Feb 28, 2019
2017Mar 1, 2018
2016Feb 24, 2017
2015Feb 22, 2016

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.