International Available Seat Miles as  a Percent of Total System Available Seat Miles
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
American 29.5% 29.7% 29.7% 31.3% 31.4% 32.1% 32.1% 27.5% 29.5% 32.3% 34.6% 36.0% 36.1%
Continental 15.9% 18.3% 24.2% 29.0% 32.9% 34.7% 33.7% 34.8% 36.0% 38.3% 41.1% 43.2% 44.0%
Delta 23.2% 21.1% 20.5% 22.4% 22.2% 22.8% 24.1% 24.0% 22.7% 24.2% 26.4% 34.0% 38.6%
Northwest 39.2% 39.8% 40.4% 40.6% 39.3% 40.3% 40.2% 39.8% 38.6% 38.5% 39.9% 40.6% 42.4%
United 36.7% 36.8% 37.7% 36.8% 35.0% 37.3% 38.8% 36.6% 35.0% 35.7% 40.2% 39.3% 40.8%
US Airways 5.1% 7.2% 8.9% 10.3% 11.6% 13.2% 16.3% 19.0% 23.4% 25.1% 25.0% 18.6% 20.2%
America West 1.3% 3.2% 3.2% 2.8% 2.0% 1.9% 2.1% 2.9% 3.4% 3.3% 3.8%    
 --sub Network 27.2% 27.4% 28.2% 29.2% 29.1% 30.2% 30.8% 29.6% 29.8% 31.2% 33.6% 35.9% 37.7%
Southwest 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
jetBlue 0.0% 0.0% 0.0% 0.0% 1.2% 0.3% 0.0% 0.0%
AirTran 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.4% 0.4% 0.1%
Frontier 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 6.9% 7.8% 10.0%
ATA 31.1% 29.6% 32.8% 25.8% 22.0% 23.7% 20.8% 16.2% 18.2% 18.0% 26.7% 34.2% 30.9%
 -- sub LCC 7.9% 6.8% 6.8% 5.2% 4.1% 4.4% 3.4% 2.6% 3.0% 2.9% 2.9% 2.3% 2.2%
Alaska 6.7% 7.5% 7.5% 8.0% 8.4% 9.3% 9.1% 9.8% 9.8% 9.5% 9.4% 10.3% 11.1%
Hawaiian 5.7% 5.5% 5.0% 4.9% 5.9% 10.8% 8.7% 3.4% 1.5% 5.9% 8.3% 6.8% 5.3%
Midwest 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
 -- sub Other 5.8% 6.3% 6.2% 6.5% 6.8% 8.7% 8.0% 7.3% 6.9% 7.7% 7.9% 8.1% 8.2%
Total All Sectors 25.3% 25.3% 25.9% 26.5% 26.1% 26.9% 26.9% 25.4% 24.9% 25.9% 27.6% 28.8% 29.6%
Source:  US DOT Form 41 via BTS, schedule T2.