Dulles (IAD) to Harrisburg (MDT) flights
CommuteAir flies nonstop from Washington Dulles International Airport to Harrisburg International Airport, with about 25 flights a week in July 2026. The 93-mile flight takes about 59m gate to gate.
- Distance
- 93 mi · 150 km
- Flight time
- 59m
- Airlines
- 1
- Seats filled
- 81%
Airlines flying IAD to MDT
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| CommuteAir | 25 | Embraer ERJ-145 | 41,199 | 59m |
| GoJet AirlinesSeasonal or ended | n/a | Bombardier CRJ550 | 2,650 | 58m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAD to MDT flight schedule
7 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 8:35am and the last at 10:30pm. 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 4595United Airlines · operated by GoJet Airlines | 8:35am | 9:37am | 12 | 92% |
| UA 4986United Airlines · operated by CommuteAir | 8:35am | 9:40am | 8 | 87% |
| UA 4372United Airlines · operated by CommuteAir | 12:59pm | 2:03pm | 31 | 83% |
| UA 4190United Airlines · operated by GoJet Airlines | 5:20pm | 6:26pm | 4 | n/a |
| UA 4250United Airlines · operated by CommuteAir | 5:20pm | 6:26pm | 27 | 79% |
| UA 4964United Airlines · operated by CommuteAir | 10:26pm | 11:30pm | 10 | 78% |
| UA 4526United Airlines · operated by GoJet Airlines | 10:30pm | 11:30pm | 21 | 67% |
Is IAD to MDT on time?
From September 2025 to August 2026, 81% of 1,127 flights arrived within 15 minutes of schedule and 2% were cancelled. Flights leaving around 8am were the most punctual (87%), those around 5pm the least (75%). Most delay time was caused by late-arriving aircraft (53%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,127 | 81% | 19 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 |
|---|---|---|---|
| 8am to 9am | 303 | 87% | |
| 12pm to 1pm | 359 | 83% | |
| 5pm to 6pm | 288 | 75% | |
| 10pm to 11pm | 177 | 77% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 94 | 4,074 | |
| September 2025 | 78 | 3,345 | |
| October 2025 | 92 | 3,630 | |
| November 2025 | 78 | 3,006 | |
| December 2025 | 87 | 3,438 | |
| January 2026 | 81 | 2,879 | |
| February 2026 | 79 | 3,038 | |
| March 2026 | 92 | 3,575 | |
| April 2026 | 90 | 3,513 | |
| May 2026 | 95 | 3,935 | |
| June 2026 | 111 | 4,738 | |
| July 2026 | 112 | 4,753 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.