Washington (IAD) Delays in 2021
84% on-time departures, 83.8% on-time arrivals in 2021
50,538Flights
84%Departures on-time
13.3 minAvg dep. delay
83.8%Arrivals on-time
12.3 minAvg arr. delay
1.5%Cancelled
Delay causes
- Air carrier40.7%
- Extreme weather12.5%
- National Aviation System21.2%
- Security0.1%
- Late-arriving aircraft25.5%
← 2019 · Washington (IAD) overview · 2022 →
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.