Table 1-58: FAA-Cited Causes of Departure and Enroute Delays

Table 1-58: FAA-Cited Causes of Departure and Enroute Delays

(After pushing back from the gate)

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  1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 a2000
Operations delayed (thousands) 356 338 394 393 298 281 276 248 237 272 245 306 374 450
Cause (%)                            
Weather 67 70 57 56 65 65 72 75 72 R74 68 74 R69 69
Airport terminal volume 11 9 29 35 27 27 22 19 18 18 22 15 R12 14
ARTCC volume 13 12 8 2 b b b b b b b b b b
Closed runways/taxiways 4 5 3 3 3 3 3 2 3 3 3 3 R5 6
NAS equipment 4 3 2 1 2 2 2 2 3 2 3 2 2 2
Other 1 1 1 4 3 3 2 2 4 2 4 6 R13 9

KEY: ARTCC = Air Route Traffic Control Center; NAS = National Airspace System; R = Revised.

a Data is preliminary and subject to change.

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

NOTE: Percentages may not add to 100 due to rounding.

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 www.faa.gov/apa/Delays/atDelays.htm as of Oct. 8, 2001.