Philadelphia (PHL) to Dulles (IAD) flights
Republic Airline, Mesa Airlines, GoJet Airlines fly nonstop from Philadelphia International Airport to Washington Dulles International Airport, with about 25 flights a week in July 2026. The 135-mile flight takes about 1h 6m gate to gate.
- Distance
- 135 mi · 217 km
- Flight time
- 1h 6m
- Airlines
- 3
- Seats filled
- 76%
Airlines flying PHL to IAD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 13 | Embraer E175, Embraer E170 | 11,471 | 1h 6m |
| Mesa Airlines | 6 | Embraer E175 | 4,058 | 1h 7m |
| GoJet Airlines | 6 | Bombardier CRJ550 | 26,503 | 1h 6m |
| CommuteAirSeasonal or ended | n/a | Embraer ERJ-145 | 3,757 | 1h 6m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
PHL to IAD flight schedule
7 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 6:10am and the last at 7:45pm. 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 3693United Airlines · operated by Republic Airline | 6:10am | 7:19am | 10 | 94% |
| UA 6235United Airlines · operated by Mesa Airlines | 10:30am | 11:39am | 25 | 85% |
| UA 4072United Airlines · operated by Mesa Airlines | 3:05pm | 4:23pm | 21 | 80% |
| UA 3593United Airlines · operated by Republic Airline | 3:10pm | 4:18pm | 8 | 79% |
| UA 4068United Airlines · operated by Mesa Airlines | 7:40pm | 9:01pm | 4 | n/a |
| UA 4610United Airlines · operated by GoJet Airlines | 7:40pm | 8:59pm | 17 | 63% |
| UA 4587United Airlines · operated by GoJet Airlines | 7:45pm | 9:10pm | 10 | 75% |
Is PHL to IAD on time?
From September 2025 to August 2026, 82% of 1,104 flights arrived within 15 minutes of schedule and 3.1% were cancelled. Flights leaving around 6am were the most punctual (90%), those around 7pm the least (74%). Most delay time was caused by late-arriving aircraft (66%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,104 | 82% | 20 min | 3.1% |
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 | 100 | 90% | |
| 10am to 11am | 335 | 87% | |
| 2pm to 3pm | 75 | 81% | |
| 3pm to 4pm | 263 | 81% | |
| 7pm to 8pm | 261 | 74% | |
| 8pm to 9pm | 70 | 87% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 98 | 3,968 | |
| September 2025 | 83 | 3,440 | |
| October 2025 | 92 | 3,984 | |
| November 2025 | 76 | 3,601 | |
| December 2025 | 91 | 4,398 | |
| January 2026 | 83 | 3,102 | |
| February 2026 | 75 | 2,808 | |
| March 2026 | 84 | 3,363 | |
| April 2026 | 77 | 3,083 | |
| May 2026 | 96 | 3,910 | |
| June 2026 | 114 | 5,460 | |
| July 2026 | 113 | 6,082 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.