| Revenue | 87.69a | 90.16a | 93.51a |
| Operating expenses | — | — | — |
| Salaries and employee benefits | -30.96a | -31.02a | -32.06a |
| Purchased transportation | -20.92a | -21.79a | -24.12a |
| Rentals and landing fees | -4.57a | -4.74a | -4.71a |
| Depreciation and amortization | -4.29a | -4.18a | -3.97a |
| Fuel | -4.71a | -5.91a | -5.12a |
| Maintenance and repairs | -3.29a | -3.36a | -3.37a |
| Goodwill and other asset impairment charges | -0.16a | -0.12a | 0a |
| Business optimization and realignment costs | -0.58a | -0.31a | -0.28a |
| Other | -12.65a | -13.83a | -13.64a |
| Total operating expenses | -82.13a | -85.24a | -87.27a |
| Operating income | 5.56a | 4.91a | 6.25a |
| Other income (expense) | — | — | — |
| Interest expense | -0.75a | -0.69a | -0.69a |
| Interest income | 0.37a | 0.2a | 0.05a |
| Other retirement plans income (expense) | 0.72a | 1.05a | -0.73a |
| Other, net | -0.07a | -0.11a | 0.01a |
| Total other income (expense) | 0.28a | 0.45a | -1.35a |
| Income before income taxes | 5.84a | 5.36a | 4.9a |
| Provision for income taxes | -1.51a | -1.39a | -1.07a |
| Net income | 4.33a | 3.97a | 3.83a |