| Total System Load Factor | |||||||||||||||||||||||||||
| Percentage | |||||||||||||||||||||||||||
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | ||
| American | 66% | 68% | 70% | 70% | 70% | 72% | 69% | 71% | 73% | 75% | 79% | 80% | 81% | 81% | 81% | 82% | 82% | 83% | 83% | 82% | 83% | 82% | 83% | 83% | 86% | 64% | |
| Continental | 66% | 68% | 72% | 72% | 73% | 74% | 72% | 74% | 76% | 78% | 80% | 82% | 82% | 81% | 82% | 84% | 82% | ||||||||||
| Delta | 65% | 70% | 72% | 73% | 72% | 73% | 69% | 72% | 74% | 76% | 78% | 79% | 81% | 82% | 82% | 84% | 83% | 84% | 85% | 85% | 85% | 85% | 86% | 86% | 87% | 55% | |
| Northwest | 71% | 73% | 74% | 73% | 75% | 77% | 74% | 77% | 77% | 80% | 83% | 85% | 85% | 85% | 84% | ||||||||||||
| United | 71% | 72% | 72% | 72% | 71% | 72% | 71% | 74% | 76% | 79% | 81% | 82% | 83% | 81% | 82% | 84% | 84% | 83% | 84% | 84% | 83% | 83% | 82% | 84% | 84% | 60% | |
| US Airways | 65% | 69% | 71% | 73% | 70% | 70% | 69% | 71% | 73% | 75% | 75% | 78% | 80% | 82% | 82% | 82% | 84% | 84% | 85% | 83% | 83% | ||||||
| America West | 69% | 71% | 69% | 67% | 68% | 70% | 72% | 74% | 76% | 77% | 80% | 80% | 83% | ||||||||||||||
| --sub Network | 68% | 70% | 71% | 72% | 72% | 73% | 71% | 73% | 75% | 77% | 79% | 81% | 82% | 82% | 82% | 83% | 83% | 84% | 84% | 84% | 84% | 83% | 84% | 84% | 85% | 60% | |
| Southwest | 65% | 67% | 64% | 65% | 69% | 70% | 68% | 66% | 67% | 70% | 71% | 73% | 73% | 71% | 76% | 79% | 81% | 80% | 80% | 83% | 84% | 84% | 84% | 83% | 84% | 52% | |
| AirTran | 52% | 64% | 66% | 58% | 62% | 70% | 69% | 67% | 71% | 71% | 73% | 73% | 76% | 79% | 79% | 81% | 81% | 80% | 80% | 81% | |||||||
| jetBlue | 73% | 77% | 83% | 84% | 83% | 85% | 82% | 80% | 80% | 80% | 81% | 82% | 84% | 84% | 84% | 85% | 85% | 84% | 84% | 84% | 57% | ||||||
| Alaska | 62% | 66% | 67% | 67% | 68% | 69% | 68% | 68% | 70% | 73% | 76% | 77% | 76% | 77% | 79% | 83% | 85% | 87% | 86% | 86% | 84% | 85% | 85% | 84% | 84% | 56% | |
| Virgin America | 62% | 76% | 82% | 82% | 81% | 79% | 80% | 82% | 82% | 84% | 84% | 79% | |||||||||||||||
| Hawaiian | 77% | 75% | 76% | 76% | 77% | 78% | 80% | 80% | 80% | 86% | 87% | 86% | 87% | 83% | 84% | 85% | 84% | 83% | 81% | 81% | 81% | 84% | 86% | 85% | 87% | 61% | |
| -- sub LCC | 65% | 67% | 66% | 66% | 69% | 71% | 69% | 68% | 70% | 73% | 75% | 76% | 75% | 75% | 78% | 81% | 82% | 82% | 82% | 83% | 84% | 84% | 84% | 84% | 84% | 54% | |
| Allegiant | 41% | 39% | 65% | 74% | 76% | 81% | 81% | 83% | 90% | 90% | 90% | 91% | 89% | 89% | 89% | 87% | 85% | 84% | 85% | 84% | 60% | ||||||
| Frontier | 48% | 60% | 57% | 59% | 59% | 64% | 58% | 59% | 69% | 73% | 79% | 80% | 79% | 82% | 81% | 84% | 87% | 89% | 91% | 89% | 86% | 87% | 86% | 85% | 86% | 67% | |
| Spirit | 82% | 68% | 75% | 76% | 74% | 73% | 73% | 73% | 79% | 78% | 80% | 82% | 81% | 80% | 79% | 82% | 86% | 85% | 87% | 86% | 84% | 84% | 83% | 84% | 84% | 69% | |
| -- sub Other | 65% | 63% | 64% | 66% | 66% | 68% | 65% | 67% | 74% | 75% | 80% | 81% | 80% | 83% | 83% | 85% | 87% | 88% | 89% | 88% | 86% | 85% | 84% | 85% | 85% | 67% | |
| Total All Sectors | 67% | 70% | 71% | 71% | 71% | 73% | 70% | 72% | 74% | 76% | 79% | 80% | 81% | 80% | 81% | 83% | 83% | 83% | 84% | 84% | 84% | 84% | 84% | 84% | 85% | 59% | |
| Source: US DOT Form 41 via BTS, schedule T2. | |||||||||||||||||||||||||||