Portland (PWM) to Baltimore (BWI) flights
Southwest Airlines flies nonstop from Portland International Jetport to Baltimore/Washington International Thurgood Marshall Airport, with about 27 flights a week in July 2026. The 452-mile flight takes about 1h 37m gate to gate.
- Distance
- 452 mi · 727 km
- Flight time
- 1h 37m
- Airlines
- 1
- Seats filled
- 81%
Airlines flying PWM to BWI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 27 | Boeing 737-700 / MAX 7, Boeing 737-800, Boeing 737 MAX 8 | 168,943 | 1h 37m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
PWM to BWI flight schedule
10 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 5:55am and the last at 4:15pm. 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) |
|---|---|---|---|---|
| WN 3335Southwest Airlines | 5:55am | 7:30am | 28 | 86% |
| WN 1097Southwest Airlines | 7:25am | 9:00am | 4 | n/a |
| WN 4393Southwest Airlines | 10:30am | 12:10pm | 24 | 79% |
| WN 988Southwest Airlines | 10:30am | 12:10pm | 4 | n/a |
| WN 146Southwest Airlines | 1:05pm | 2:45pm | 20 | 85% |
| WN 1245Southwest Airlines | 1:25pm | 3:05pm | 4 | n/a |
| WN 4912Southwest Airlines | 2:40pm | 4:25pm | 4 | n/a |
| WN 920Southwest Airlines | 2:50pm | 4:30pm | 8 | n/a |
| WN 3336Southwest Airlines | 3:40pm | 5:25pm | 12 | 50% |
| WN 2243Southwest Airlines | 4:15pm | 6:00pm | 4 | n/a |
Is PWM to BWI on time?
From September 2025 to August 2026, 81% of 1,331 flights arrived within 15 minutes of schedule and 0.9% were cancelled. Flights leaving around 5am were the most punctual (89%), those around 5pm the least (71%). Most delay time was caused by late-arriving aircraft (33%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,331 | 81% | 12 min | 0.9% |
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 | 341 | 89% | |
| 10am to 11am | 81 | 86% | |
| 11am to 12pm | 72 | 88% | |
| 12pm to 1pm | 143 | 84% | |
| 1pm to 2pm | 111 | 82% | |
| 2pm to 3pm | 89 | 72% | |
| 3pm to 4pm | 198 | 76% | |
| 4pm to 5pm | 64 | 68% | |
| 5pm to 6pm | 146 | 71% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 134 | 19,123 | |
| September 2025 | 121 | 15,643 | |
| October 2025 | 123 | 16,453 | |
| November 2025 | 108 | 13,104 | |
| December 2025 | 107 | 13,982 | |
| January 2026 | 93 | 9,586 | |
| February 2026 | 89 | 11,122 | |
| March 2026 | 105 | 13,170 | |
| April 2026 | 103 | 12,407 | |
| May 2026 | 106 | 12,586 | |
| June 2026 | 117 | 14,710 | |
| July 2026 | 120 | 17,166 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.