Washington (IAD) Delays in 2024
83.9% on-time departures, 83.7% on-time arrivals in 2024
52,891Flights
83.9%Departures on-time
13.5 minAvg dep. delay
83.7%Arrivals on-time
12.7 minAvg arr. delay
1.4%Cancelled
Delay causes
- Air carrier34.2%
- Extreme weather7.8%
- National Aviation System23%
- Security0.1%
- Late-arriving aircraft35%
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On-time = arrival within 15 minutes of schedule, per U.S. DOT definitions. Source: Bureau of Transportation Statistics (public domain). Delay-cause attribution is reported by carriers since June 2003.