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

Ronald Reagan Washington National (DCA) 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 86 -- 13.9 -- 55.1
2001 75 -12.4 11.5 -2.4 53.4
2002 67 -10.4 8.4 -3.2 53.2
2003 85 26.1 9.9 1.6 53.0
2004 89 5.6 11.9 1.9 55.7
2005 101 13.4 15.9 4.0 56.7
2006 92 -9.2 16.1 0.2 55.5
2007 87 -5.1 20.1 4.0 55.9
2008 84 -3.8 14.7 -5.4 59.4
2009 79 -5.9 13.2 -1.5 60.2

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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