Portland (PWM) to Dulles (IAD) flights
Republic Airline, United Airlines fly nonstop from Portland International Jetport to Washington Dulles International Airport, with about 24 flights a week in July 2026. The 493-mile flight takes about 1h 52m gate to gate.
- Distance
- 493 mi · 793 km
- Flight time
- 1h 52m
- Airlines
- 2
- Seats filled
- 80%
Airlines flying PWM to IAD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 18 | Embraer E175, Embraer E170 | 38,467 | 1h 51m |
| United Airlines | 7 | Boeing 737 MAX 8, Boeing 737 MAX 9, Boeing 737-900ER | 6,125 | 1h 38m |
| GoJet AirlinesSeasonal or ended | n/a | Bombardier CRJ550 | 18,120 | 1h 56m |
| CommuteAirSeasonal or ended | n/a | Embraer ERJ-145 | 1,347 | 1h 55m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
PWM to IAD flight schedule
7 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 5:15am and the last at 7:35pm. 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 1926United Airlines | 5:15am | 7:00am | 10 | 95% |
| UA 3522United Airlines · operated by Republic Airline | 5:15am | 7:07am | 15 | 88% |
| UA 3494United Airlines · operated by Republic Airline | 9:49am | 11:41am | 21 | 91% |
| UA 3465United Airlines · operated by Republic Airline | 9:55am | 11:46am | 10 | 84% |
| UA 3459United Airlines · operated by Republic Airline | 2:20pm | 4:30pm | 8 | 85% |
| UA 3453United Airlines · operated by Republic Airline | 2:38pm | 4:35pm | 21 | 71% |
| UA 3582United Airlines · operated by Republic Airline | 7:35pm | 9:30pm | 27 | 81% |
Is PWM to IAD on time?
From September 2025 to August 2026, 81% of 1,157 flights arrived within 15 minutes of schedule and 2.3% 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 (57%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,157 | 81% | 18 min | 2.3% |
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 |
|---|---|---|---|
| 5am to 6am | 190 | 89% | |
| 9am to 10am | 262 | 90% | |
| 10am to 11am | 103 | 80% | |
| 2pm to 3pm | 349 | 72% | |
| 7pm to 8pm | 253 | 79% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 111 | 8,026 | |
| September 2025 | 94 | 6,232 | |
| October 2025 | 115 | 7,115 | |
| November 2025 | 107 | 4,772 | |
| December 2025 | 89 | 3,748 | |
| January 2026 | 66 | 2,943 | |
| February 2026 | 56 | 2,833 | |
| March 2026 | 65 | 2,830 | |
| April 2026 | 89 | 3,580 | |
| May 2026 | 117 | 6,934 | |
| June 2026 | 114 | 7,319 | |
| July 2026 | 108 | 8,209 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.