Percent of Maintenance Expenses Outsourced
NO ADJUSTMENTS MADE
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
American 18.5% 18.8% 16.4% 20.7% 25.5% 25.3% 24.6% 22.5% 22.0% 25.8% 24.8% 24.3% 25.5% 25.4% 25.3% 24.3% 24.4%
Continental 45.5% 45.1% 48.6% 41.8% 46.9% 46.5% 40.3% 35.2% 39.2% 42.6% 46.2% 48.1% 49.2% 47.7% 44.5% 42.2% 46.6%
Delta 12.5% 19.8% 17.3% 23.7% 24.4% 21.0% 23.6% 25.9% 23.8% 23.9% 34.9% 43.9% 36.2% 31.0% 25.9% 39.3% 38.0%
Northwest 18.5% 22.1% 24.0% 26.6% 26.4% 24.4% 28.0% 27.5% 36.7% 34.9% 56.8% 72.0% 73.6% 68.9% 60.7%
United 7.7% 9.1% 13.6% 15.0% 16.2% 16.3% 18.4% 16.7% 21.3% 33.0% 40.5% 44.9% 45.7% 44.3% 40.6% 40.0% 51.5%
US Airways 29.4% 30.9% 28.8% 29.3% 29.1% 29.5% 29.2% 28.8% 35.0% 36.7% 57.6% 52.3% 58.3% 63.7% 60.4% 57.6% 57.8%
America West 48.1% 74.1% 73.5% 74.4% 73.7% 73.1% 67.8% 68.6% 67.3% 64.0% 69.0%            
 --sub Network 19.1% 22.2% 22.8% 25.4% 27.5% 26.7% 27.1% 26.0% 28.9% 32.5% 40.8% 43.8% 44.4% 43.3% 39.0% 37.8% 40.8%
Southwest 68.5% 67.9% 66.0% 67.2% 67.1% 64.8% 62.2% 62.8% 59.0% 58.8% 56.3% 56.2% 60.4% 61.3% 61.7% 60.1% 59.0%
jetBlue 7.9% 51.6% 19.2% 27.1% 35.9% 40.7% 44.2% 45.7% 49.9% 53.7% 54.5% 59.7%
AirTran 28.7% 16.6% 49.6% 54.6% 41.3% 47.2% 50.5% 54.2% 67.0% 67.9% 69.4% 72.4% 74.5% 70.7%
Frontier 72.7% 58.4% 53.3% 54.0% 52.3% 52.8% 56.8% 51.2% 54.8% 56.0% 59.1% 36.7% 7.8% 0.3%
Virgin America                             49.0% 48.0% 40.6%
 --sub LCC 70.6% 72.7% 72.7% 64.2% 57.8% 61.1% 60.3% 57.8% 54.9% 55.3% 53.5% 55.8% 58.9% 60.5% 60.8% 59.0% 57.9%
Alaska 57.0% 55.6% 55.6% 54.3% 61.6% 62.7% 54.7% 58.9% 56.9% 58.0% 76.6% 56.6% 57.0% 54.7% 56.0% 55.9% 53.3%
Hawaiian 75.2% 78.3% 78.1% 80.2% 86.1% 81.6% 81.1% 75.4% 69.0% 64.9% 66.8% 67.9% 71.6% 74.5% 74.1% 74.7% 78.6%
Allegiant                       3.4% 4.0% 2.4% 2.7% 3.3% 2.5%
 -- sub Other 65.9% 66.4% 66.0% 65.9% 72.4% 70.2% 64.2% 64.4% 59.5% 59.7% 74.3% 56.6% 57.9% 55.8% 56.6% 56.3% 55.7%
 Total All Sectors  22.7% 25.9% 26.3% 28.7% 31.0% 30.7% 30.8% 29.8% 32.8% 36.1% 43.5% 45.9% 47.0% 46.5% 43.4% 42.2% 44.5%
Data Source:  US DOT Form 41 via BTS, Schedule P6 & P52.