IAD Today

Rough day, worse than the weekly average. Departures at 59%, arrivals better at 90%. Late morning flights ran 30 points better than evening. Fly 9am - 12pm if you can. That window has been running at 89%.

Combined OTP
Flights (Last 2 Hours)
Major Delays
Dep 30+ min late
Best Window
9am - 12pm
89% OTP

What This Means for You

Rough day at IAD. Only 59% 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: late morning flights (9am - 12pm) run at 89%. Evening (6pm - 10pm) drops to 59%. That is a 30-point difference from the same airport on the same day.

Ronald Reagan Washington National Airport (DCA) is 23 miles away and running 87% today. If your route is available from both airports, DCA is the better bet right now.

IAD Flight Board

Live departures and arrivals at Washington Dulles International Airport.

Status Airline Flight Destination Sched Updated Gate
No flights match your search.
No flight data available.

Pick Your Window

Late Morning vs Evening is a 30-point swing at IAD. The late morning block runs at 89%. If you have any say in your departure time, this is the biggest thing you can control.

5am - 9am
Early Morning
84%
Best window
9am - 12pm
Late Morning
89%
Best window
12pm - 3pm
Midday
73%
Decent
3pm - 6pm
Afternoon
64%
Risky
6pm - 10pm
Evening
59%
Risky
12a 1 2 3 4 5 6 7 8 9 10 11 12p 1 2 3 4 5 6 7 8 9 10 11

Through the Day

Morning held up fine at 84%. 8pm is where it broke down, dropping to 47%. Currently at 59%, well below the morning numbers. A 53-point swing from best to worst today.

vs Last Week

Down 5 points from last week (71% vs 76%). Arrivals roughly the same. Sun was the worst day, Thu the best.

Dep OTP
71%
-5%
Last week: 76%
Arr OTP
85%
-2%
Last week: 87%

The Bigger Picture

IAD has been bouncing between 42% and 83%. Best day was Aug 26 at 83%. Worst was Jul 6 at 42%. The norm is 62-68%, which is just how IAD runs.

About IAD Delays

Washington Dulles International Airport (IAD) is currently experiencing significant delays with 59% on-time departures and 90% on-time arrivals. This data updates every 15 minutes from FAA sources.

Washington Dulles International Airport has averaged 71% on-time departures this week, making it moderately reliable. 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.

Source: FAA. Updated every 15 minutes.