| | Carrier | Total Flights | % Flights On Time | % Flights Late | % Flights Cancelled | % Flights Diverted |
| 1 | Southwest Airlines Co. (WN) | 757,419 | 81.8 | 16.8 | 1.2 | 0.2 |
| 2 | Northwest Airlines Inc. (NW) | 543,041 | 76.6 | 19.7 | 3.4 | 0.3 |
| 3 | Continental Air Lines Inc. (CO) | 414,410 | 76.6 | 20.8 | 2.4 | 0.2 |
| 4 | US Airways Inc. (US) | 728,534 | 75.7 | 21.3 | 2.8 | 0.3 |
| 5 | Summary | 5,351,983 | 74.5 | 22.8 | 2.4 | 0.3 |
| 6 | United Air Lines Inc. (UA) | 735,266 | 73.8 | 23.2 | 2.7 | 0.3 |
| 7 | American Airlines Inc. (AA) | 655,539 | 72.2 | 25.2 | 2.2 | 0.3 |
| 8 | Delta Air Lines Inc. (DL) | 888,306 | 71.2 | 26.6 | 1.9 | 0.2 |
| 9 | America West Airlines Inc. (HP) | 203,001 | 70.8 | 26.6 | 2.3 | 0.2 |
| 10 | Alaska Airlines Inc. (AS) | 144,291 | 68.6 | 28.8 | 2.2 | 0.3 |
| 11 | Trans World Airways LLC (TW) | 282,176 | 68.5 | 27.2 | 4.0 | 0.3 |
