| System Seat Load Factor | |||||||||||||
| Percent | |||||||||||||
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | ||
| American | 66.2% | 68.5% | 69.5% | 70.2% | 69.7% | 72.4% | 69.4% | 70.7% | 72.8% | 74.8% | 78.6% | 80.1% | |
| Continental | 65.9% | 68.3% | 71.5% | 72.2% | 73.1% | 74.4% | 72.4% | 74.2% | 75.7% | 77.8% | 79.8% | 81.5% | |
| Delta | 65.4% | 70.2% | 71.8% | 72.7% | 72.4% | 73.3% | 69.1% | 72.4% | 74.2% | 75.7% | 77.5% | 78.9% | |
| Northwest | 71.5% | 73.1% | 74.3% | 73.1% | 74.6% | 76.6% | 74.3% | 77.1% | 77.2% | 80.2% | 82.6% | 84.8% | |
| United | 70.5% | 71.7% | 71.8% | 71.6% | 71.0% | 72.3% | 70.8% | 73.5% | 76.4% | 79.3% | 81.5% | 82.1% | |
| US Airways | 64.9% | 68.5% | 71.4% | 72.8% | 70.2% | 70.4% | 68.9% | 71.0% | 73.3% | 75.0% | 75.1% | 78.2% | |
| America West | 68.5% | 70.9% | 68.8% | 67.4% | 68.4% | 70.5% | 71.9% | 73.6% | 76.4% | 77.4% | 79.5% | 79.7% | |
| --sub Network | 67.7% | 70.3% | 71.5% | 71.7% | 71.5% | 73.1% | 70.7% | 73.0% | 74.9% | 77.0% | 79.4% | 80.9% | |
| Southwest | 64.5% | 66.6% | 63.8% | 64.8% | 69.0% | 70.5% | 68.1% | 65.9% | 66.8% | 69.5% | 70.7% | 73.1% | |
| jetBlue | 72.7% | 77.0% | 82.9% | 84.2% | 82.8% | 84.8% | 81.6% | ||||||
| AirTran | 57.6% | 61.7% | 70.2% | 69.4% | 67.5% | 70.9% | 70.7% | 73.4% | 72.7% | ||||
| Frontier | 48.5% | 59.8% | 56.8% | 59.2% | 59.1% | 64.3% | 57.9% | 59.1% | 68.9% | 73.4% | 79.2% | 79.7% | |
| ATA | 70.4% | 69.2% | 71.0% | 70.4% | 73.8% | 72.9% | 72.0% | 70.3% | 69.3% | 70.1% | 66.2% | 69.8% | |
| -- sub LCC | 65.8% | 67.0% | 65.1% | 65.2% | 68.9% | 70.6% | 68.7% | 67.7% | 69.6% | 71.8% | 73.4% | 74.8% | |
| Alaska | 61.8% | 66.0% | 67.3% | 67.1% | 67.9% | 69.2% | 68.4% | 68.1% | 70.0% | 72.9% | 75.9% | 76.6% | |
| Hawaiian | 76.9% | 75.3% | 76.5% | 75.7% | 77.2% | 78.0% | 79.8% | 79.8% | 80.3% | 86.0% | 87.3% | 86.4% | |
| Midwest | 64.1% | 63.0% | 63.7% | 64.8% | 65.2% | 62.2% | 61.1% | 61.5% | 65.7% | 64.9% | 70.9% | 75.9% | |
| -- sub Other | 65.5% | 67.9% | 69.1% | 68.8% | 69.8% | 70.8% | 70.7% | 70.0% | 71.9% | 74.9% | 77.8% | 78.7% | |
| Total All Sectors | 67.5% | 70.0% | 70.9% | 71.1% | 71.2% | 72.8% | 70.5% | 72.2% | 74.0% | 76.1% | 78.3% | 79.7% | |