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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
OPERATING REVENUES: |  |  |  |
Total operating revenues | $ 760,295 | $ 829,275 | $ 2,228,372 | $ 2,418,190
OPERATING EXPENSES: |  |  |  |
Salaries, wages and benefits | 251,414 | 301,378 | 752,768 | 901,775
Depreciation and amortization | 92,795 | 86,088 | 272,929 | 246,386
Special items |  |  | 21,869 |
Other operating expenses | 59,577 | 68,859 | 184,634 | 206,511
Total operating expenses | 613,854 | 691,350 | 1,841,419 | 2,065,412
OPERATING INCOME | 146,441 | 137,925 | 386,953 | 352,778
OTHER INCOME (EXPENSE): |  |  |  |
Interest income | 3,542 | 2,283 | 11,081 | 5,692
Interest expense | (31,606) | (31,440) | (96,884) | (86,485)
Other income (expense), net | 361 | 1,157 | 47,367 | 3,470
Total other expense, net | (27,703) | (28,000) | (38,436) | (77,323)
INCOME BEFORE INCOME TAXES | 118,738 | 109,925 | 348,517 | 275,455
PROVISION FOR INCOME TAXES | 27,399 | 26,879 | 80,945 | 62,189
NET INCOME | $ 91,339 | $ 83,046 | $ 267,572 | $ 213,266
BASIC EARNINGS PER SHARE (in dollars per share) | $ 1.80 | $ 1.60 | $ 5.24 | $ 4.10
DILUTED EARNINGS PER SHARE (in dollars per share) | $ 1.79 | $ 1.57 | $ 5.19 | $ 4.03
Weighted average common shares: |  |  |  |
Basic (in shares) | 50,746 | 52,039 | 51,111 | 52,002
Diluted (in shares) | 51,129 | 52,981 | 51,568 | 52,976
COMPREHENSIVE INCOME: |  |  |  |
Net income | $ 91,339 | $ 83,046 | $ 267,572 | $ 213,266
Net unrealized appreciation on debt securities, net of taxes |  | (2) | 32 | 32
TOTAL COMPREHENSIVE INCOME | 91,339 | 83,044 | 267,604 | 213,298
Flying agreements |  |  |  |
OPERATING REVENUES: |  |  |  |
Total operating revenues | 738,838 | 816,057 | 2,164,173 | 2,377,659
Airport customer service and other |  |  |  |
OPERATING REVENUES: |  |  |  |
Total operating revenues | 21,457 | 13,218 | 64,199 | 40,531
Aircraft maintenance, materials and repairs |  |  |  |
OPERATING REVENUES: |  |  |  |
Total operating revenues | 133,521 | 142,285 | 376,572 | 423,665
Aircraft fuel |  |  |  |
OPERATING REVENUES: |  |  |  |
Total operating revenues | 31,063 | 30,258 | 87,570 | 87,208
Airport related expenses |  |  |  |
OPERATING REVENUES: |  |  |  |
Total operating revenues | 27,808 | 25,655 | 89,237 | 80,852
Aircraft rentals |  |  |  |
OPERATING REVENUES: |  |  |  |
Total operating revenues | $ 17,676 | $ 36,827 | $ 55,840 | $ 119,015

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