IAD Today
Bad day, worse than the weekly average. Departures at 25%, arrivals better at 52%. Early morning flights ran 39 points better than midday. Fly 5am - 9am if you can. That window has been running at 87%.
What This Means for You
Rough day at IAD. Only 25% on-time. Expect delays across the board. Check your airline app for gate changes. If connecting, prepare for misconnects.
If you can choose your departure time: early morning flights (5am - 9am) run at 87%. Midday (12pm - 3pm) drops to 48%. That is a 39-point difference from the same airport on the same day.
Harrisburg International Airport (MDT) is 94 miles away and running 50% today. If your route is available from both airports, MDT is the better bet right now.
Airline Performance at IAD
Copa Airlines is the most reliable carrier at IAD with 50% on-time. United Airlines runs 43%. That is a 7-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
Early Morning vs Midday is a 39-point swing at IAD. The early morning block runs at 87%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
Morning started OK at 77%. 1am is where it broke down, dropping to 0%. Currently at 25%, well below the morning numbers. A 100-point swing from best to worst today.
vs Last Week
Tracking about the same as last week. Departures at 61%, last week 61%. Arrivals roughly the same. Tue was the worst day, Sat the best.
The Bigger Picture
IAD has been bouncing between 42% and 79%. Best day was May 30 at 79%. Worst was Jul 6 at 42%. The norm is 62-68%, which is just how IAD runs. Today's 25% is well below the norm.
About IAD Delays
Washington Dulles International Airport (IAD) is currently experiencing significant delays with 25% on-time departures and 52% on-time arrivals. This data updates every 15 minutes from FAA sources.
Washington Dulles International Airport has averaged 61% 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.