Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
REVENUES	$ 142,305	$ 138,443	$ 437,683	$ 431,654
OPERATING EXPENSES
Salaries, wages and benefits	41,624	39,096	127,339	123,056
Fuel	12,029	14,059	35,082	40,333
Maintenance, materials and repairs	24,655	17,082	71,341	65,129
Depreciation and amortization	30,754	26,307	91,147	78,428
Travel	3,989	4,189	12,754	13,181
Rent	2,246	6,689	8,900	20,923
Landing and ramp	2,108	2,450	6,982	7,764
Insurance	832	1,109	2,636	3,887
Other operating expenses	11,151	9,175	31,262	28,713
Operating Expenses	129,388	120,156	387,443	381,414
OPERATING INCOME	12,917	18,287	50,240	50,240
OTHER INCOME (EXPENSE)
Interest income	18	23	64	66
Interest expense	(2,684)	(3,309)	(8,588)	(10,613)
Unrealized Gain (Loss) on Derivatives	96	639	347	969
Other Nonoperating Income (Expense)	(2,570)	(2,647)	(8,177)	(9,578)
EARNINGS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	10,347	15,640	42,063	40,662
INCOME TAX EXPENSE	(4,000)	(6,045)	(16,251)	(15,247)
EARNINGS FROM CONTINUING OPERATIONS	6,347	9,595	25,812	25,415
EARNINGS FROM DISCONTINUED OPERATIONS, NET OF TAXES	214	312	642	734
NET EARNINGS	$ 6,561	$ 9,907	$ 26,454	$ 26,149
BASIC EARNINGS PER SHARE
Continuing operations (in dollars per share)	$ 0.10	$ 0.15	$ 0.40	$ 0.40
Discontinued operations (in dollars per share)	0.00	0.00	0.01	0.01
TOTAL BASIC EARNINGS PER SHARE (in dollars per share)	0.10	0.15	0.41	0.41
DILUTED EARNINGS PER SHARE
Continuing operations (in dollars per share)	0.10	0.15	0.40	0.39
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.01
TOTAL DILUTED NET EARNINGS PER SHARE (in dollars per share)	$ 0.10	$ 0.15	$ 0.40	$ 0.40
WEIGHTED AVERAGE SHARES
Basic (in shares)	64,239	64,286	64,411	64,240
Diluted (in shares)	65,171	65,271	65,341	65,207