DAY
Dayton
United States
588 km
365 miles
IAD
Washington
United States
Distance
588 km
365 mi / 317 nm
Est. Flight Time
2h
Short-haul route
Time Difference
+0h
America/New_York
Heading
99°
east

Airport Comparison

DAY IAD
Airport Name James M Cox Dayton International Airport Washington Dulles International Airport
IATA Code DAY IAD
ICAO Code KDAY KIAD
City Dayton Washington
Country United States United States
Timezone America/New_York America/New_York
Elevation 1,009 ft 312 ft
Coordinates 39.900000, -84.220000 38.900000, -77.500000

Dayton (DAY) to Washington (IAD) Flight Distance

The flight distance from James M Cox Dayton International Airport (DAY) in Dayton, United States to Washington Dulles International Airport (IAD) in Washington, United States is 588 kilometers (365 miles / 317 nautical miles). The estimated flight time for this route is approximately 2h, flying east at a heading of 99°.

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation.

Time zone information: When it's 06:31 in Dayton, it's 06:31 in Washington.

The return flight from Washington (IAD) to Dayton (DAY) follows a heading of 283° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the James M Cox Dayton International Airport (DAY) and Washington Dulles International Airport (IAD) detail pages, or use our flight duration calculator to compare other routes.

Calculate Flight Time Between Airports

Use our flight time calculator to find distances and estimated flight travel times between cities. Calculate flight duration for any airport pair worldwide.