| Fiscal period | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 |
|---|
| Period End Date | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 | 12/31/2014 | 12/31/2013 | 12/31/2012 | 12/31/2011 | 12/31/2010 | 12/31/2009 |
|---|
| Operating Revenue: Passenger | 2,602.79 | 2,486.83 | 2,271.69 | 2,025.61 | 2,045.05 | 1,942.83 | 1,767.04 | 1,480.66 | 1,154.97 | 1,040.11 |
| Operating Revenue: Cargo | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating Revenue: Charter | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating revenue: Other | 234.62 | 188.32 | 160.73 | 291.86 | 269.83 | 213.04 | 195.31 | 169.80 | 155.12 | 143.20 |
| Total operating revenue | 2,837.41 | 2,675.15 | 2,432.41 | 2,317.47 | 2,314.88 | 2,155.87 | 1,962.35 | 1,650.46 | 1,310.09 | 1,183.31 |
| Purchased services | 131.65 | 110.79 | 96.20 | 81.84 | 73.39 | 63.64 | -- | -- | -- | -- |
| Maintenance materials and repairs | 239.76 | 219.55 | 229.04 | 224.65 | 225.62 | 203.39 | 183.55 | 169.85 | 123.98 | 128.09 |
| Aircraft rent | 125.96 | 137.76 | 124.57 | 115.65 | 106.42 | 108.53 | 98.79 | 112.88 | 112.72 | 102.09 |
| Aircraft fuel, including taxes and oil | 599.54 | 440.38 | 344.32 | 417.73 | 678.25 | 698.80 | 631.74 | 513.28 | 323.00 | 243.91 |
| Aircraft and passenger servicing | 157.80 | 144.85 | 129.90 | 117.45 | 122.78 | 120.64 | 103.83 | 82.25 | 62.16 | 59.36 |
| Depreciation and amortization | 139.87 | 113.28 | 108.13 | 105.58 | 96.37 | 83.05 | 85.60 | 66.26 | 57.71 | 52.65 |
| Wages and benefits | 684.72 | 633.00 | 535.26 | 476.98 | 447.45 | 427.44 | 376.57 | 321.24 | 297.57 | 272.62 |
| Sales commissions | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Commissions and other selling | 129.32 | 126.75 | 122.79 | 119.75 | 122.52 | 125.90 | 114.32 | 96.26 | 78.20 | 65.30 |
| Other rentals and landing fees | 126.90 | 116.76 | 108.09 | 95.06 | 87.90 | 81.32 | 85.62 | 72.45 | 57.83 | 51.30 |
| Restructuring charges | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Loss on assets held for sale | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Special items | -- | (23.45) | (109.14) | -- | 0.00 | -- | -- | -- | -- | -- |
| Litigation settlement | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Lease termination charges | -- | -- | -- | -- | -- | -- | -- | (70.01) | 0.00 | 0.00 |
| Operating Expenses: Other | (152.21) | (144.53) | (127.49) | (114.16) | (109.05) | (109.41) | (152.93) | (125.68) | (105.65) | (100.51) |
| Special credit | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Contract terminations expense | (35.32) | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Operating Expenses | 2,523.04 | 2,211.11 | 2,034.93 | 1,868.84 | 2,069.75 | 2,022.12 | 1,832.96 | 1,630.18 | 1,218.82 | -- |
| Operating Income (Loss) | 314.37 | 464.04 | 397.49 | 448.63 | 245.13 | 133.75 | 129.40 | 20.28 | 91.28 | 107.48 |
| Interest expense and amortization of debt discount and issuance costs | 33.00 | 30.90 | 36.61 | 55.68 | 64.24 | 50.45 | 43.52 | 24.52 | 16.84 | 20.65 |
| Gains (Losses) on investments | -- | -- | -- | -- | -- | -- | -- | -- | 1.17 | 2.23 |
| Unrealized loss on securities | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Interest income | 9.24 | 6.13 | 4.01 | 2.81 | 1.68 | 0.64 | 0.58 | 1.51 | 3.63 | 5.56 |
| Reorganization items | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Capitalized interest | 7.89 | 8.44 | 2.65 | 3.26 | 8.02 | 12.63 | 10.52 | 7.77 | 2.67 | 0.00 |
| Gains (losses) on fuel derivatives | 5.59 | 3.31 | 20.11 | (59.93) | (63.47) | (5.33) | (11.33) | (6.86) | 0.64 | 2.29 |
| Losses due to redemption, prepayment, extinguishment and modification of long-term debt | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Nonoperating Income (Expense): Other | (2.10) | 2.10 | 4.32 | (8.82) | (9.80) | (4.81) | 0.14 | 0.73 | (0.56) | 0.29 |
| Loss on extinguishment of debt | -- | -- | (10.47) | (12.06) | (3.89) | -- | -- | -- | -- | -- |
| Other components of net periodic benefit cost | (0.83) | (16.71) | (20.27) | (22.53) | -- | -- | -- | -- | -- | -- |
| Other nonoperating special items | -- | (45.59) | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Nonoperating income (expense) | (13.21) | (73.22) | (36.27) | (152.94) | (131.69) | (47.34) | (43.61) | (21.37) | (9.29) | -- |
| Income (loss) before income taxes | 301.16 | 390.82 | 361.22 | 295.69 | 113.45 | 86.41 | 85.79 | (1.08) | 81.99 | 97.20 |
| Current: Federal | 23.44 | 49.84 | 94.46 | 5.01 | -- | -- | -- | (36.52) | -- | 4.11 |
| Current: State | 9.09 | 11.47 | 13.20 | 5.59 | 1.44 | 0.45 | 1.22 | (5.69) | -- | 1.37 |
| Deferred: Federal | 29.78 | (7.02) | 25.95 | 94.46 | 38.87 | 30.54 | 27.94 | 37.15 | -- | (20.00) |
| Deferred: State | 5.65 | 5.92 | 3.49 | 7.99 | 4.22 | 3.56 | 3.40 | 6.62 | -- | (5.00) |
| Income tax (benefit) expense | 67.96 | 60.21 | 137.10 | 113.04 | 44.52 | 34.56 | 32.55 | 1.57 | (28.27) | (19.52) |
| Net income (loss) attributable to common stockholders | 233.20 | 330.61 | 224.12 | 182.65 | 68.93 | 51.85 | 53.24 | (2.65) | 110.26 | 116.72 |
| Net Income Per Common Stock Share: Basic | 4.63 | 6.23 | 4.19 | 3.38 | 1.29 | 1.00 | 1.04 | (0.05) | 2.15 | 2.26 |
| Net Income Per Common Stock Share: Diluted | 4.62 | 6.19 | 4.15 | 2.98 | 1.10 | 0.98 | 1.01 | (0.05) | 2.10 | 2.22 |
| Weighted Average Number of Common Stock Shares Outstanding: Basic | 50.34 | 53.07 | 53.50 | 54.03 | 53.59 | 52.10 | 51.31 | 50.73 | 51.23 | 51.66 |
| Weighted Average Number of Common Stock Shares Outstanding: Diluted | 50.49 | 53.41 | 53.96 | 61.26 | 62.82 | 53.16 | 52.54 | 50.73 | 52.48 | 52.50 |