Harrisburg (MDT) to Dulles (IAD) flights
CommuteAir flies nonstop from Harrisburg International Airport to Washington Dulles International Airport, with about 25 flights a week in July 2026. The 93-mile flight takes about 54m gate to gate.
- Distance
- 93 mi · 150 km
- Flight time
- 54m
- Airlines
- 1
- Seats filled
- 86%
Airlines flying MDT to IAD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| CommuteAir | 25 | Embraer ERJ-145 | 44,239 | 54m |
| GoJet AirlinesSeasonal or ended | n/a | Bombardier CRJ550 | 2,691 | 1h 0m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MDT to IAD flight schedule
7 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 6:15am and the last at 7:59pm. 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 4244United Airlines · operated by CommuteAir | 6:15am | 7:13am | 11 | 86% |
| UA 4596United Airlines · operated by GoJet Airlines | 6:15am | 7:13am | 12 | 92% |
| UA 4974United Airlines · operated by CommuteAir | 10:30am | 11:28am | 8 | 87% |
| UA 4532United Airlines · operated by GoJet Airlines | 10:57am | 11:55am | 21 | 95% |
| UA 4268United Airlines · operated by CommuteAir | 2:52pm | 3:50pm | 31 | 85% |
| UA 4476United Airlines · operated by GoJet Airlines | 7:59pm | 8:57pm | 4 | n/a |
| UA 4882United Airlines · operated by CommuteAir | 7:59pm | 8:57pm | 27 | 79% |
Is MDT to IAD on time?
From September 2025 to August 2026, 85% of 1,128 flights arrived within 15 minutes of schedule and 2% were cancelled. Flights leaving around 10am were the most punctual (88%), those around 7pm the least (80%). Most delay time was caused by late-arriving aircraft (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,128 | 85% | 16 min | 2% |
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 |
|---|---|---|---|
| 6am to 7am | 344 | 84% | |
| 10am to 11am | 325 | 88% | |
| 2pm to 3pm | 324 | 86% | |
| 3pm to 4pm | 35 | 79% | |
| 7pm to 8pm | 100 | 80% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 93 | 4,073 | |
| September 2025 | 78 | 3,580 | |
| October 2025 | 92 | 3,976 | |
| November 2025 | 79 | 3,204 | |
| December 2025 | 87 | 3,552 | |
| January 2026 | 82 | 3,327 | |
| February 2026 | 79 | 3,534 | |
| March 2026 | 99 | 4,377 | |
| April 2026 | 90 | 4,141 | |
| May 2026 | 96 | 4,074 | |
| June 2026 | 111 | 4,793 | |
| July 2026 | 112 | 4,628 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.