Washington (IAD) Delays in 2018
84.5% on-time departures, 82.1% on-time arrivals in 2018
68,699Flights
84.5%Departures on-time
13.7 minAvg dep. delay
82.1%Arrivals on-time
13.9 minAvg arr. delay
1.6%Cancelled
Delay causes
- Air carrier29.6%
- Extreme weather9.9%
- National Aviation System25.3%
- Security0.1%
- Late-arriving aircraft35.2%
Washington (IAD) overview · 2019 →
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.