IAD Delays Right Now
Live flight delay status at Washington Dulles International (Washington)
Live FAA status
Source: FAA National Airspace System Status (nasstatus.faa.gov). Updates every ~2 minutes.
On-time rate
82%
of departures
Avg delay
75 min
when late
Cancel rate
1.3%
of flights
Why flights get delayed at IAD
The most common reason for departure delays here is the incoming plane arriving late. 82% of departures are on time. When there is a delay, it's typically around 75 minutes — a long delay. About 1.3% of flights get cancelled.
Planes often wait a while before takeoff. The typical wait from gate to takeoff is about 20 minutes.
Worst airlines for delays at IAD
Ranked by lowest historical on-time rate. Based on airlines with 500+ flights in our dataset.
| Airline | On-time | Avg delay |
|---|---|---|
| Frontier Airlines | 70% | 83 min |
| Allegiant Air | 71% | 92 min |
| American Airlines | 74% | 86 min |
| Alaska Airlines | 78% | 52 min |
| Southwest Airlines | 79% | 49 min |
Most reliable airlines at IAD
| Airline | On-time | Avg delay |
|---|---|---|
| Endeavor Air | 87% | 56 min |
| Republic Airways | 86% | 65 min |
| United Airlines | 84% | 72 min |
| PSA Airlines | 83% | 87 min |
| Delta Air Lines | 83% | 85 min |
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