Portland (PDX) to Baltimore (BWI) flights
Southwest Airlines, Alaska Airlines fly nonstop from Portland International Airport to Baltimore/Washington International Thurgood Marshall Airport, with about 14 flights a week in July 2026. The 2,358-mile flight takes about 4h 51m gate to gate.
- Distance
- 2,358 mi · 3,795 km
- Flight time
- 4h 51m
- Airlines
- 2
- Seats filled
- 87%
Airlines flying PDX to BWI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 7 | Boeing 737-800, Boeing 737 MAX 8 | 18,450 | 4h 46m |
| Alaska Airlines | 7 | Boeing 737-800, Boeing 737 MAX 8, Boeing 737 MAX 9 | 10,941 | 4h 59m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
PDX to BWI flight schedule
2 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 7:12am and the last at 10:45pm. 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) |
|---|---|---|---|---|
| AS 374Alaska Airlines | 7:12am | 3:16pm | 31 | 88% |
| WN 3120Southwest Airlines | 10:45pm | 6:40am | 28 | 89% |
Is PDX to BWI on time?
From September 2025 to August 2026, 84% of 231 flights arrived within 15 minutes of schedule and 0% were cancelled. Flights leaving around 10pm were the most punctual (89%), those around 9pm the least (75%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (46%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 120 | 78% | 10 min | 0% |
| Alaska Airlines | 111 | 89% | 6 min | 0% |
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 |
|---|---|---|---|
| 7am to 8am | 111 | 89% | |
| 9pm to 10pm | 92 | 75% | |
| 10pm to 11pm | 28 | 89% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 31 | 4,916 | |
| September 2025 | 30 | 4,014 | |
| October 2025 | 1 | 126 | |
| May 2026 | 19 | 2,465 | |
| June 2026 | 57 | 8,603 | |
| July 2026 | 61 | 9,267 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.