| Supplier Sites | Q2 2007 | Q2 2008 | Point Change |
| American Airlines | 12.8% | 10.7% | -2.1 |
| AirTran | 4.9% | 4.9% | 0.0 |
| Continental Airlines | 11.5% | 12.3% | 0.8 |
| Delta Airlines | 14.2% | 13.3% | -0.9 |
| JetBlue | 5.9% | 7.1% | 1.2 |
| Northwest Airlines | 6.8% | 4.3% | -2.5 |
| Southwest Airlines | 28.1% | 32.8% | 4.8 |
| United Airlines | 7.5% | 5.3% | -2.2 |
| US Airways | 8.3% | 9.1% | 0.9 |
| Total | 100.0% | 100.0% | 0.0 |
| Source: comScore | |||