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
83%
of departures
Avg delay
74 min
when late
Cancel rate
1.5%
of flights
Why flights get delayed at IAD
The most common reason for departure delays here is the airline (crew, maintenance, or boarding). 83% of departures are on time. When there is a delay, it's typically around 74 minutes — a long delay. About 1.5% of flights get cancelled.
Planes often wait a while before takeoff. The typical wait from gate to takeoff is about 19 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 | 69% | 81 min |
| American Airlines | 73% | 82 min |
| Southwest Airlines | 77% | 50 min |
| Alaska Airlines | 77% | 51 min |
| SkyWest Airlines | 80% | 80 min |
Most reliable airlines at IAD
| Airline | On-time | Avg delay |
|---|---|---|
| Endeavor Air | 87% | 55 min |
| Republic Airways | 86% | 64 min |
| United Airlines | 84% | 71 min |
| Delta Air Lines | 83% | 79 min |
| PSA Airlines | 82% | 82 min |
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