Percent of Non-Maintenance Expenses (Ex Fuel) Outsourced
NO ADJUSTMENTS MADE
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
American 10.7% 9.4% 9.3% 9.8% 9.7% 10.0% 9.6% 8.2% 10.8% 11.7% 12.1% 12.4% 12.5% 11.9% 12.1% 12.6% 11.6% 11.7%
Continental 13.2% 12.4% 13.1% 12.6% 12.9% 12.7% 12.9% 13.5% 14.6% 10.2% 10.4% 10.5% 10.9% 10.7% 10.5% 10.7% 10.7%
Delta 10.7% 11.3% 12.6% 13.3% 13.3% 11.6% 10.0% 10.8% 8.5% 9.3% 10.8% 11.8% 12.2% 11.8% 11.6% 11.3% 11.2% 10.5%
Northwest 9.7% 9.8% 10.5% 10.3% 11.0% 11.2% 10.4% 10.2% 10.7% 9.6% 11.1% 12.2% 14.0% 13.3% 15.3%
United 6.9% 7.2% 7.2% 8.2% 8.3% 8.5% 8.1% 7.5% 7.3% 8.5% 8.4% 10.5% 10.8% 9.8% 10.0% 11.0% 10.1% 9.4%
US Airways 9.1% 8.9% 9.0% 9.6% 8.7% 8.1% 7.4% 7.7% 8.6% 8.6% 9.5% 11.5% 8.1% 14.9% 10.4% 10.3% 10.3% 10.2%
America West 11.4% 13.2% 13.6% 14.3% 13.8% 12.9% 13.3% 13.7% 13.0% 11.9% 7.2%              
 --sub Network 9.7% 9.6% 9.9% 10.5% 10.5% 10.2% 9.6% 9.4% 9.8% 9.8% 10.4% 11.5% 11.5% 11.9% 11.5% 11.3% 10.9% 10.4%
 Southwest  6.2% 6.2% 6.8% 7.0% 6.9% 7.1% 7.4% 7.6% 7.5% 7.6% 8.7% 8.8% 8.8% 9.0% 8.8% 9.2% 9.9% 10.1%
 jetBlue  15.0% 14.2% 15.6% 12.9% 13.2% 14.0% 14.4% 15.0% 15.5% 15.6% 16.9% 16.8% 16.1%
 AirTran  2.2% 2.4% 3.4% 6.2% 5.9% 6.0% 5.1% 4.6% 5.2% 5.6% 6.1% 6.0% 6.5% 7.5% 9.0%
 Frontier  15.7% 11.4% 8.9% 10.7% 11.4% 11.4% 8.8% 7.7% 7.7% 5.3% 4.7% 4.9% 4.9% 4.5% 5.5% 4.1% 4.7% 6.7%
Virgin America                         11.9% 10.1% 19.2% 19.9% 18.0% 17.7%
 --sub LCC 6.4% 6.4% 6.7% 6.7% 6.9% 7.5% 7.7% 8.1% 7.9% 7.8% 8.7% 8.9% 9.2% 9.4% 9.9% 10.3% 11.0% 11.5%
Alaska 9.1% 9.2% 9.3% 9.4% 9.6% 9.9% 9.8% 10.6% 9.9% 10.0% 12.4% 11.6% 24.7% 14.6% 9.6% 10.6% 9.7% 9.1%
Hawaiian 10.1% 10.2% 10.1% 10.7% 10.1% 10.7% 12.5% 12.0% 11.0% 11.3% 11.6% 12.5% 14.1% 15.4% 13.9% 13.5% 13.0% 14.4%
Allegiant                   2.5% 6.1% 9.9% 8.5% 7.4% 6.7% 7.8% 8.5% 7.0%
 -- sub Other 9.3% 9.4% 9.5% 9.7% 9.7% 10.1% 10.5% 11.0% 10.2% 10.0% 11.9% 11.7% 21.4% 14.3% 10.4% 11.1% 10.4% 10.4%
Total All Sectors 9.6% 9.4% 9.8% 10.3% 10.3% 10.0% 9.5% 9.3% 9.7% 9.7% 10.3% 11.2% 11.6% 11.7% 11.2% 11.2% 10.9% 10.5%
Note: Shaded data means data appear questionable.  
Data Source:  US DOT Form 41 via BTS, Schedule P6 & P52.