Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
REVENUES	$ 488,410	$ 529,339	$ 973,927	$ 1,030,434
OPERATING EXPENSES
Salaries, wages and benefits	164,079	170,458	335,561	347,173
Depreciation and amortization	91,879	82,691	182,259	167,419
Maintenance, materials and repairs	46,727	50,436	96,610	94,269
Fuel	65,577	67,271	129,122	134,026
Contracted ground and aviation services	21,726	19,682	37,432	37,470
Travel	32,180	31,222	62,626	60,775
Landing and ramp	4,505	4,744	8,535	8,868
Rent	7,698	8,274	15,230	16,386
Insurance	2,557	2,684	5,293	5,232
Other operating expenses	20,161	22,136	36,934	41,652
Costs and Expenses	457,089	459,598	909,602	913,270
OPERATING INCOME	31,321	69,741	64,325	117,164
OTHER INCOME (EXPENSE)
Interest income	218	180	457	395
Non-service component of retiree benefit costs	(1,086)	(3,218)	(2,171)	(6,436)
Net gain on financial instruments	2,946	1,818	5,301	78
Loss from non-consolidated affiliate	(1,254)	(2,107)	(1,333)	(2,513)
Interest expense	(21,403)	(16,672)	(43,391)	(32,377)
Nonoperating Income (Expense)	(20,579)	(19,999)	(41,137)	(40,853)
EARNINGS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	10,742	49,742	23,188	76,311
INCOME TAX EXPENSE	(3,314)	(11,720)	(7,141)	(18,148)
EARNINGS FROM CONTINUING OPERATIONS	7,428	38,022	16,047	58,163
Net earnings from discontinued operations	0	0	0	0
NET EARNINGS	$ 7,428	$ 38,022	$ 16,047	$ 58,163
BASIC EARNINGS PER SHARE
Continuing operations (in dollars per share)	$ 0.11	$ 0.54	$ 0.25	$ 0.82
Discontinued operations (in dollars per share)	0	0	0	0
TOTAL BASIC EARNINGS PER SHARE (in dollars per share)	0.11	0.54	0.25	0.82
DILUTED EARNINGS PER SHARE
Continuing operations (in dollars per share)	0.11	0.49	0.24	0.73
Discontinued operations (in dollars per share)	0	0	0	0
TOTAL DILUTED EARNINGS PER SHARE (in dollars per share)	$ 0.11	$ 0.49	$ 0.24	$ 0.73
WEIGHTED AVERAGE SHARES
Basic (in shares)	65,028	70,722	65,000	71,259
Diluted (in shares)	67,301	79,515	67,268	81,276