Dulles (IAD) to Portland (PDX) flights
United Airlines flies nonstop from Washington Dulles International Airport to Portland International Airport, with about 7 flights a week in July 2026. The 2,327-mile flight takes about 5h 40m gate to gate.
- Distance
- 2,327 mi · 3,745 km
- Flight time
- 5h 40m
- Airlines
- 1
- Seats filled
- 84%
Airlines flying IAD to PDX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 7 | Boeing 737 MAX 9, Boeing 737 MAX 8, Boeing 737-900ER | 42,577 | 5h 40m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAD to PDX flight schedule
1 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 5:33pm and the last at 5:33pm. 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 780United Airlines | 5:33pm | 8:10pm | 31 | 70% |
Is IAD to PDX on time?
From September 2025 to August 2026, 73% of 291 flights arrived within 15 minutes of schedule and 1% were cancelled. Flights leaving around 5pm were the most punctual (76%), those around 7pm the least (57%). Most delay time was caused by late-arriving aircraft (30%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 291 | 73% | 23 min | 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 |
|---|---|---|---|
| 5pm to 6pm | 232 | 76% | |
| 6pm to 7pm | 36 | 66% | |
| 7pm to 8pm | 23 | 57% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 31 | 4,738 | |
| September 2025 | 30 | 4,451 | |
| October 2025 | 31 | 4,589 | |
| November 2025 | 30 | 4,400 | |
| December 2025 | 15 | 2,286 | |
| January 2026 | 5 | 707 | |
| March 2026 | 27 | 3,612 | |
| April 2026 | 30 | 4,208 | |
| May 2026 | 31 | 4,360 | |
| June 2026 | 29 | 4,492 | |
| July 2026 | 30 | 4,734 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.