National Airspace System: Summary of Flight Delay Trends for 34 Airports in the Continental United States (GAO-10-543SP, May 26, 2010), an E-supplement to GAO-10-542

Lambert St. Louis International (STL) Departure Data

Year Annual departures
(in thousands)		 Percent change
in annual departures		 Percent of annual
departures that
were delayed		 Percentage point
change in annual
departures that
were delayed		 Average delay per
delayed departure
(in minutes)
2000 170 -- 21.9 -- 53.8
2001 162 -4.9 16.6 -5.3 47.0
2002 133 -17.7 12.6 -4.0 47.2
2003 103 -23.0 10.9 -1.7 49.0
2004 60 -41.8 15.5 4.6 53.2
2005 63 5.3 16.2 0.7 52.2
2006 63 -0.2 18.9 2.6 51.9
2007 63 0.5 20.8 1.9 54.0
2008 62 -2.4 19.6 -1.2 55.7
2009 59 -4.6 16.7 -2.9 53.0

Source: GAO analysis of FAA's ASPM data
Note: The percentage change in departures and the change in percentage points of departures that were delayed may not compute due to rounding.

Bar and line plot of Year

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