Segment Reporting (Details) $ in Thousands	3 Months Ended		9 Months Ended
Segment Reporting (Details) $ in Thousands	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) segment	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Segment Reporting
Number of reporting segments \| segment			2
Operating revenues	$ 1,050,029	$ 912,786	$ 3,033,711	$ 2,583,518
Salaries, wages and benefits	391,634	377,435	1,159,188	1,083,439
Aircraft maintenance, materials and repairs	247,978	181,652	695,963	510,334
Depreciation and amortization	92,474	96,662	272,070	289,346
Interest expense	25,611	27,808	79,295	86,603
Other segment expense (income) items	$ 135,163	$ 113,033	$ 386,192	$ 315,259
Segment Reporting, Other Segment Item, Composition, Description	Other segment items include aircraft fuel; airport related expenses; other operating expenses consisting primarily of property taxes, hull and liability insurance, simulator costs, crew per diem and crew hotel costs; aircraft rentals; interest income and other income (expense), net.	Other segment items include aircraft fuel; airport related expenses; other operating expenses consisting primarily of property taxes, hull and liability insurance, simulator costs, crew per diem and crew hotel costs; aircraft rentals; interest income and other income (expense), net.	Other segment items include aircraft fuel; airport related expenses; other operating expenses consisting primarily of property taxes, hull and liability insurance, simulator costs, crew per diem and crew hotel costs; aircraft rentals; interest income and other income (expense), net.	Other segment items include aircraft fuel; airport related expenses; other operating expenses consisting primarily of property taxes, hull and liability insurance, simulator costs, crew per diem and crew hotel costs; aircraft rentals; interest income and other income (expense), net.
Segment profit	$ 157,169	$ 116,196	$ 441,003	$ 298,537
Total assets	7,214,196	6,956,600	7,214,196	6,956,600	$ 7,139,867
Capital expenditures (including non-cash)	55,395	84,287	313,784	169,544
SkyWest Airlines and SWC
Segment Reporting
Operating revenues	892,618	758,425	2,563,605	2,117,018
Salaries, wages and benefits	390,969	376,770	1,157,193	1,081,444
Aircraft maintenance, materials and repairs	236,745	173,745	654,830	490,397
Depreciation and amortization	40,778	37,105	117,531	110,217
Interest expense	2,662	2,864	8,830	9,595
Other segment expense (income) items	144,963	123,356	404,189	343,807
Segment profit	76,501	44,585	221,032	81,558
Total assets	3,160,752	2,673,084	3,160,752	2,673,084
Capital expenditures (including non-cash)	39,836	59,331	233,067	144,588
SkyWest Leasing
Segment Reporting
Operating revenues	157,411	154,361	470,106	466,500
Salaries, wages and benefits	665	665	1,995	1,995
Aircraft maintenance, materials and repairs	11,233	7,907	41,133	19,937
Depreciation and amortization	51,696	59,557	154,539	179,129
Interest expense	22,949	24,944	70,465	77,008
Other segment expense (income) items	(9,800)	(10,323)	(17,997)	(28,548)
Segment profit	80,668	71,611	219,971	216,979
Total assets	4,053,444	4,283,516	4,053,444	4,283,516
Capital expenditures (including non-cash)	$ 15,559	$ 24,956	$ 80,717	$ 24,956

SKYWEST INC 10-Q