Manchester (MHT) to Dulles (IAD) flights
CommuteAir flies nonstop from Manchester-Boston Regional Airport to Washington Dulles International Airport, with about 16 flights a week in July 2026. The 418-mile flight takes about 1h 51m gate to gate.
- Distance
- 418 mi · 673 km
- Flight time
- 1h 51m
- Airlines
- 1
- Seats filled
- 76%
Airlines flying MHT to IAD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| CommuteAir | 16 | Embraer ERJ-145 | 26,691 | 1h 51m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MHT to IAD flight schedule
3 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 9:25am and the last at 7:41pm. 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 4857United Airlines · operated by CommuteAir | 9:25am | 11:17am | 31 | 89% |
| UA 4925United Airlines · operated by CommuteAir | 2:46pm | 4:35pm | 31 | 73% |
| UA 4829United Airlines · operated by CommuteAir | 7:41pm | 9:30pm | 18 | 75% |
Is MHT to IAD on time?
From September 2025 to August 2026, 78% of 731 flights arrived within 15 minutes of schedule and 3.6% were cancelled. Flights leaving around 9am were the most punctual (90%), those around 2pm the least (72%). Most delay time was caused by late-arriving aircraft (55%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 731 | 78% | 28 min | 3.6% |
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 | 194 | 90% | |
| 1pm to 2pm | 24 | 88% | |
| 2pm to 3pm | 299 | 72% | |
| 7pm to 8pm | 214 | 75% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 71 | 3,223 | |
| September 2025 | 54 | 2,285 | |
| October 2025 | 37 | 1,710 | |
| November 2025 | 54 | 2,211 | |
| December 2025 | 58 | 1,929 | |
| January 2026 | 54 | 1,649 | |
| February 2026 | 50 | 1,819 | |
| March 2026 | 56 | 2,036 | |
| April 2026 | 60 | 2,154 | |
| May 2026 | 64 | 2,160 | |
| June 2026 | 75 | 2,722 | |
| July 2026 | 72 | 3,036 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.