| Carrier | Total Flights | % Flights On Time | % Flights Late | % Flights Cancelled | % Flights Diverted |
1 | Southwest Airlines Co. (WN) | 488,332 | 89.7 | 9.7 | 0.5 | 0.2 |
2 | Northwest Airlines Inc. (NW) | 474,831 | 85.9 | 12.2 | 1.7 | 0.2 |
3 | America West Airlines Inc. (HP) | 176,756 | 85.5 | 13.7 | 0.6 | 0.2 |
4 | Alaska Airlines Inc. (AS) | 98,431 | 84.4 | 14.6 | 0.6 | 0.4 |
5 | US Airways Inc. (US) | 833,131 | 82.9 | 15.2 | 1.7 | 0.2 |
6 | Trans World Airways LLC (TW) | 244,782 | 82.6 | 15.8 | 1.4 | 0.2 |
7 | Summary | 5,070,501 | 81.6 | 17.0 | 1.2 | 0.2 |
8 | American Airlines Inc. (AA) | 786,696 | 80.8 | 17.8 | 1.2 | 0.2 |
9 | Continental Air Lines Inc. (CO) | 419,560 | 79.0 | 19.4 | 1.3 | 0.3 |
10 | United Air Lines Inc. (UA) | 649,086 | 78.5 | 20.2 | 1.1 | 0.2 |
11 | Delta Air Lines Inc. (DL) | 898,896 | 76.7 | 22.2 | 0.9 | 0.2 |