FIGURE 5-4 National Flight Delays by Cause, Percent of Total Delay Minutes: 2004-2013
Friday, April 10, 2015
Percent of total delay
| Air carrier delay | Aircraft arriving late | Security delay | National aviation system delay | Extreme weather | |
|---|---|---|---|---|---|
| 2004 | 25.8 | 33.6 | 0.3 | 33.5 | 6.9 |
| 2005 | 28.0 | 34.2 | 0.2 | 31.4 | 6.2 |
| 2006 | 27.8 | 37.0 | 0.3 | 29.4 | 5.6 |
| 2007 | 28.6 | 37.6 | 0.2 | 27.9 | 5.7 |
| 2008 | 27.8 | 37.0 | 0.3 | 29.4 | 5.6 |
| 2009 | 28.0 | 36.2 | 0.1 | 30.6 | 5.0 |
| 2010 | 30.4 | 39.4 | 0.2 | 25.7 | 4.4 |
| 2011 | 30.1 | 40.8 | 0.1 | 24.8 | 4.2 |
| 2012 | 31.9 | 41.4 | 0.1 | 22.5 | 4.0 |
| 2013 | 29.4 | 42.1 | 0.1 | 24.2 | 4.1 |
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Transtats Database, Airline On-Time Performance, available at http://www.transtats.bts.gov/ as of February 2014.