The observed direct connection between James M. Cox Dayton International Airport (DAY) and Washington Dulles International Airport (IAD) covers approximately 367 mi. The estimated flight time is around 1h 15m. Air Routing International Corp., CommuteAir, GoJet Airlines LLC and Republic Airways have been observed on this connection in the available route data.
Frequently asked questions about this route
How far is Dayton from Dulles by air?
The great-circle distance between James M. Cox Dayton International Airport and Washington Dulles International Airport is approximately 367 mi.
How long is the flight from Dayton to Dulles?
Based on the distance, the estimated flight time is about 1h 15m. This is an estimate, not a schedule.
Is there a direct connection from Dayton to Dulles?
Yes, a direct connection between DAY and IAD has been observed in our route data.
Which airlines have been observed on this route?
In the available route data: Air Routing International Corp., CommuteAir, GoJet Airlines LLC and Republic Airways.
How often is there a flight from Dayton to Dulles?
On average around 3 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 893 observed flights. Mainly CommuteAir, GoJet Airlines LLC, Air Routing International Corp. That is an observation, not a timetable.
What is the current time difference between Dayton and Dulles?
Same local time in Dayton and Dulles.
Where this data comes from
The route data comes from the flight archive (ADS-B, adsb.lol): which connections actually flew over the last twelve full months and who flew them, combined with our own airport, runway, and airline datasets. It is reference data about observed routes - not a current timetable and no claim about bookability.
The frequency and aircraft on this page come from the flight archive (ADS-B, 12 months, October 2025 to September 2026), summarized per route per month. We do not see every flight, so it is a floor, not a count.