Table 1-61: FAA-Cited Causes of Departure and En route Delays (After pushing back from the gate)

Table 1-61: FAA-Cited Causes of Departure and En route Delays (After pushing back from the gate)

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  1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 b 2002
Operations delayed (thousands) 356 338 394 393 298 281 276 248 237 272 245 306 374 450 348 286
Cause (percent)                                
Weather 67 70 57 56 65 65 72 75 72 74 68 74 69 69 72 72
Airport terminal volume 11 9 29 35 27 27 22 19 18 18 22 15 12 14 12 14
Air Route Traffic Control Center volume 13 12 8 2 a a a a a a a a a a a a
Closed runways / taxiways 4 5 3 3 3 3 3 2 3 3 3 3 5 6 5 4
National Airspace System equipment 4 3 2 1 2 2 2 2 3 2 3 2 2 2 2 1
Other 1 1 1 4 3 3 2 2 4 2 4 6 13 9 10 9

KEY: ARTCC = Air Route Traffic Control Center; FAA = Federal Aviation Administration.

a Delays due to ARTCC volume are included in delays due to terminal volume from 1991.

b Data are preliminary and subject to change.

NOTE

Numbers may not add to totals due to roundings.

SOURCES

1987-97: U.S. Department of Transportation, Federal Aviation Administration, Aviation Capacity Enhancement Plan (Washington, DC: Annual issues).

1998-2000: U.S. Department of Transportation, Federal Aviation Administration, Internet site http://www.faa.gov/apa/Delays/atDelays.htm as of Aug. 8, 2002.

2001-02: Ibid., Internet site http://www2.faa.gov/index.cfm/apa/1319 as of July 21, 2003.