| Operating revenues, excluding fuel surcharge revenues | 10,557.71a | 10,978.39a | 12,381.36a |
| Fuel surcharge revenues | 1,529.5a | 1,851.28a | 2,432.64a |
| Total operating revenues | 12,087.2a | 12,829.67a | 14,814a |
| Operating expenses | — | — | — |
| Rents and purchased transportation | -5,378.34a | -5,872.59a | -7,392.18a |
| Salaries, wages and employee benefits | -3,232.44a | -3,257.48a | -3,373.06a |
| Depreciation and amortization | -761.14a | -737.95a | -644.52a |
| Fuel and fuel taxes | -652.13a | -751.5a | -931.71a |
| Operating supplies and expenses | -495.38a | -509.35a | -502.55a |
| Insurance and claims | -313.66a | -315.68a | -318.12a |
| General and administrative expenses, net of asset dispositions | -306.36a | -274.56a | -215.36a |
| Operating taxes and licenses | -72.55a | -75a | -68.23a |
| Communication and utilities | -43.99a | -42.35a | -36.71a |
| Total operating expenses | -11,255.98a | -11,836.47a | -13,482.45a |
| Operating income | 831.23a | 993.2a | 1,331.55a |
| Interest income | 7.31a | 7.62a | 1.07a |
| Interest expense | -79.02a | -65.93a | -51.25a |
| Earnings before income taxes | 759.52a | 934.89a | 1,281.37a |
| Income taxes | -188.63a | -206.6a | -312.02a |
| Net earnings | 570.89a | 728.29a | 969.35a |