Dulles (IAD) to Greensboro (GSO) flights
CommuteAir flies nonstop from Washington Dulles International Airport to Piedmont Triad International Airport, with about 12 flights a week in July 2026. The 239-mile flight takes about 1h 16m gate to gate.
- Distance
- 239 mi · 385 km
- Flight time
- 1h 16m
- Airlines
- 1
- Seats filled
- 82%
Airlines flying IAD to GSO
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| CommuteAir | 12 | Embraer ERJ-145 | 26,464 | 1h 17m |
| GoJet AirlinesSeasonal or ended | n/a | Bombardier CRJ550 | 3,981 | 1h 13m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAD to GSO flight schedule
2 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 12:55pm and the last at 10:25pm. 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 4349United Airlines · operated by CommuteAir | 12:55pm | 2:14pm | 29 | 82% |
| UA 4849United Airlines · operated by CommuteAir | 10:25pm | 11:42pm | 28 | 76% |
Is IAD to GSO on time?
From September 2025 to August 2026, 82% of 739 flights arrived within 15 minutes of schedule and 2.2% were cancelled. Flights leaving around 8am were the most punctual (93%), those around 5pm the least (78%). Most delay time was caused by late-arriving aircraft (44%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 739 | 82% | 18 min | 2.2% |
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 | 81 | 93% | |
| 12pm to 1pm | 280 | 83% | |
| 5pm to 6pm | 217 | 78% | |
| 10pm to 11pm | 161 | 79% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 79 | 3,246 | |
| September 2025 | 70 | 2,837 | |
| October 2025 | 62 | 2,599 | |
| November 2025 | 53 | 2,201 | |
| December 2025 | 60 | 2,450 | |
| January 2026 | 53 | 2,017 | |
| February 2026 | 52 | 2,181 | |
| March 2026 | 59 | 2,539 | |
| April 2026 | 73 | 2,977 | |
| May 2026 | 76 | 2,832 | |
| June 2026 | 55 | 2,301 | |
| July 2026 | 55 | 2,389 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.