Table 1-58. U.S. Air Carrier Delay Greater Than 15 Minutes by Cause

Table 1-58. U.S. Air Carrier Delay Greater Than 15 Minutes by Cause

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  1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Operations delayed (thousands) 356 338 394 393 298 281 276 248 237 272 245 306 374
Cause (%)                         
Weather 67 70 57 56 65 65 72 75 72 75 68 74 79
Airport terminal volume 11 9 29 35 27 27 22 19 18 18 22 15 20
ARTCC volume 13 12 8 2 0 0 0 0 0 0 0 0 2
Closed runways/taxiways 4 5 3 3 3 3 3 2 3 3 3 3 3
NAS equipment 4 3 2 1 2 2 2 2 3 2 3 2 2
Other 1 1 1 4 3 3 2 2 4 2 4 6 5

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

SOURCE: U.S. Department of Transportation, Federal Aviation Administration, Aviation Capacity Enhancement Plan (Washington, DC: Annual issues), figure 3-2 and similar tables in earlier editions, and personal communications, July 6, 2000, and Dec. 5, 2000.