IAD Today
What This Means for You
Delay data is currently unavailable for IAD.
If you can choose your departure time: late morning flights (9am - 12pm) run at 80%. Evening (6pm - 10pm) drops to 68%. That is a 12-point difference from the same airport on the same day.
Ronald Reagan Washington National Airport (DCA) is 23 miles away and running 100% today. If your route is available from both airports, DCA is the better bet right now.
Airline Performance at IAD
avianca is the most reliable carrier at IAD with 45% on-time. Copa Airlines runs 35%. That is a 10-point spread. If you have a choice, the airline matters.
IAD Flight Board
Live departures and arrivals at Washington Dulles International Airport.
| Status | Airline | Flight | Destination | Sched | Updated | Gate |
|---|---|---|---|---|---|---|
Pick Your Window
Late Morning vs Evening is a 12-point swing at IAD. The late morning block runs at 80%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
vs Last Week
This week is 4 points better on departures (64% vs 60%). Arrivals roughly the same. Fri was the worst day, Tue the best.
The Bigger Picture
IAD has been bouncing between 49% and 81%. Best day was Apr 4 at 81%. Worst was Jun 12 at 49%. The norm is 67-73%, which is just how IAD runs.
About IAD Delays
Washington Dulles International Airport has averaged 64% on-time departures this week, making it frequently delayed. Performance varies by time of day and weather conditions.
Washington Dulles International Airport is one of 179 FAA-monitored airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 15 minutes, with historical trends available for the past 90 days.
Nearby alternatives include DCA (Ronald Reagan Washington National Airport), BWI (Baltimore/Washington International Thurgood Marshall Airport) and MDT (Harrisburg International Airport). When IAD is experiencing delays, these airports may offer better on-time performance.
Early morning departures from Washington Dulles International Airport typically have the highest on-time rates. Delays tend to accumulate throughout the day as cascading effects from earlier disruptions compound. Check the 24-hour trend chart above for today's pattern.