Washington (IAD) Delays in 2025
82% on-time departures, 81.2% on-time arrivals in 2025
57,546Flights
82%Departures on-time
15.7 minAvg dep. delay
81.2%Arrivals on-time
14.6 minAvg arr. delay
1.1%Cancelled
Delay causes
- Air carrier30.1%
- Extreme weather9.6%
- National Aviation System27.5%
- Security0.1%
- Late-arriving aircraft32.7%
← 2024 · Washington (IAD) overview
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.