| | Carrier | Total Flights | % Flights On Time | % Flights Late | % Flights Cancelled | % Flights Diverted |
| 1 | United Air Lines Inc. (UA) | 587,887 | 84.0 | 15.1 | 0.8 | 0.1 |
| 2 | American Airlines Inc. (AA) | 852,439 | 83.8 | 14.8 | 1.1 | 0.2 |
| 3 | Continental Air Lines Inc. (CO) | 325,246 | 83.5 | 16.0 | 0.4 | 0.2 |
| 4 | US Airways Inc. (US) | 511,663 | 83.4 | 15.4 | 1.1 | 0.1 |
| 5 | America West Airlines Inc. (HP) | 196,111 | 82.9 | 15.9 | 1.0 | 0.1 |
| 6 | Southwest Airlines Co. (WN) | 956,745 | 82.6 | 16.2 | 1.1 | 0.1 |
| 7 | Summary | 5,271,356 | 82.1 | 16.5 | 1.2 | 0.2 |
| 8 | Northwest Airlines Inc. (NW) | 513,330 | 80.8 | 17.6 | 1.4 | 0.2 |
| 9 | Delta Air Lines Inc. (DL) | 728,758 | 80.0 | 18.7 | 1.1 | 0.2 |
| 10 | American Eagle Airlines Inc. (MQ) | 439,984 | 79.1 | 17.9 | 2.9 | 0.1 |
| 11 | Alaska Airlines Inc. (AS) | 159,193 | 78.0 | 19.5 | 2.2 | 0.3 |
