| | Carrier | Total Flights | % Flights On Time | % Flights Late | % Flights Cancelled | % Flights Diverted |
| 1 | Southwest Airlines Co. (WN) | 565,426 | 86.6 | 12.8 | 0.4 | 0.1 |
| 2 | Northwest Airlines Inc. (NW) | 482,798 | 85.7 | 12.9 | 1.1 | 0.3 |
| 3 | Alaska Airlines Inc. (AS) | 117,475 | 82.9 | 16.0 | 0.7 | 0.4 |
| 4 | United Air Lines Inc. (UA) | 638,750 | 81.7 | 16.9 | 1.3 | 0.2 |
| 5 | Summary | 5,180,048 | 81.5 | 17.0 | 1.3 | 0.2 |
| 6 | American Airlines Inc. (AA) | 722,277 | 81.1 | 17.5 | 1.1 | 0.3 |
| 7 | America West Airlines Inc. (HP) | 177,851 | 80.4 | 18.6 | 0.8 | 0.2 |
| 8 | Delta Air Lines Inc. (DL) | 874,526 | 80.4 | 18.3 | 1.1 | 0.2 |
| 9 | Trans World Airways LLC (TW) | 258,205 | 80.0 | 18.2 | 1.5 | 0.3 |
| 10 | US Airways Inc. (US) | 857,906 | 79.1 | 18.4 | 2.3 | 0.2 |
| 11 | Continental Air Lines Inc. (CO) | 484,834 | 78.6 | 19.6 | 1.5 | 0.3 |
