Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
REVENUES	$ 366,073	$ 204,919	$ 1,048,832	$ 611,566
OPERATING EXPENSES
Salaries, wages and benefits	110,706	71,341	307,897	216,173
Fuel	41,193	5,981	110,311	17,682
Maintenance, materials and repairs	41,496	33,469	125,501	107,152
Depreciation and amortization	64,149	43,201	190,052	124,825
Travel	25,366	6,903	66,401	20,823
Contracted ground and aviation services	17,190	2,636	47,319	7,464
Rent	4,123	3,274	11,860	10,264
Landing and ramp	2,539	1,211	7,978	3,670
Insurance	1,833	1,696	5,601	4,473
Transaction fees	0	0	373	0
Other operating expenses	16,712	8,380	50,763	20,672
Operating Expenses	325,307	178,092	924,056	533,198
OPERATING INCOME	40,766	26,827	124,776	78,368
OTHER INCOME (EXPENSE)
Interest income	78	67	255	144
Non-service component of retiree benefit costs	(2,351)	2,045	(7,053)	6,135
Non-service component of retiree benefit (costs) credits	(16,712)	(5,608)	50,906	16,336
Net gain on financial instruments	91,952	17,895	60,566	28,707
Loss from non-consolidated affiliate			12,458	7,600
Other Nonoperating Income (Expense)	70,322	11,752	(9,597)	11,050
EARNINGS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	111,088	38,579	115,179	89,418
INCOME TAX EXPENSE		(5,646)	14,092	16,339
EARNINGS FROM CONTINUING OPERATIONS	105,085	32,933	101,087	73,079
EARNINGS FROM DISCONTINUED OPERATIONS, NET OF TAXES	243	170	305	536
NET EARNINGS	$ 105,328	$ 33,103	$ 101,392	$ 73,615
BASIC EARNINGS PER SHARE
Basic earnings per share from continuing operations (in dollars per share)	$ 1.78	$ 0.56	$ 1.72	$ 1.24
Discontinued operations (in dollars per share)	0.01	0	0	0.01
TOTAL BASIC EARNINGS PER SHARE (in dollars per share)	1.79	0.56	1.72	1.25
DILUTED EARNINGS PER SHARE
Diluted earnings per share from continuing operations (in dollars per share)	0.19	0.24	0.43	0.71
Discontinued operations (in dollars per share)	0.01	0	0	0.01
TOTAL DILUTED NET EARNINGS PER SHARE (in dollars per share)	$ 0.20	$ 0.24	$ 0.43	$ 0.72
WEIGHTED AVERAGE SHARES
Basic (in shares)	58,919	58,739	58,889	58,773
Diluted (in shares)	68,718	68,323	69,382	68,629