Dayton (DAY) to Dulles (IAD) flights
CommuteAir, GoJet Airlines fly nonstop from James M. Cox Dayton International Airport to Washington Dulles International Airport, with about 19 flights a week in July 2026. The 367-mile flight takes about 1h 30m gate to gate.
- Distance
- 367 mi · 591 km
- Flight time
- 1h 30m
- Airlines
- 2
- Seats filled
- 82%
Airlines flying DAY to IAD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| CommuteAir | 12 | Embraer ERJ-145 | 34,965 | 1h 31m |
| GoJet Airlines | 7 | Bombardier CRJ550 | 3,505 | 1h 25m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DAY to IAD flight schedule
4 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 10:22am and the last at 7:48pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 4296United Airlines · operated by CommuteAir | 10:22am | 11:55am | 18 | 84% |
| UA 4181United Airlines · operated by GoJet Airlines | 10:23am | 11:53am | 10 | 83% |
| UA 4824United Airlines · operated by CommuteAir | 2:50pm | 4:23pm | 31 | 78% |
| UA 4267United Airlines · operated by CommuteAir | 7:48pm | 9:25pm | 28 | 84% |
Is DAY to IAD on time?
From September 2025 to August 2026, 82% of 948 flights arrived within 15 minutes of schedule and 1.8% were cancelled. Flights leaving around 10am were the most punctual (85%), those around 2pm the least (78%). Most delay time was caused by late-arriving aircraft (56%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 948 | 82% | 23 min | 1.8% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 9am to 10am | 82 | 80% | |
| 10am to 11am | 257 | 85% | |
| 2pm to 3pm | 365 | 78% | |
| 7pm to 8pm | 244 | 84% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 92 | 3,715 | |
| September 2025 | 91 | 3,795 | |
| October 2025 | 91 | 3,386 | |
| November 2025 | 75 | 2,855 | |
| December 2025 | 76 | 3,215 | |
| January 2026 | 65 | 2,559 | |
| February 2026 | 56 | 2,439 | |
| March 2026 | 65 | 2,745 | |
| April 2026 | 73 | 3,155 | |
| May 2026 | 90 | 3,774 | |
| June 2026 | 83 | 3,566 | |
| July 2026 | 85 | 3,328 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.