Baltimore/Washington International Thurgood Marshall ⇄ Portland International Jetport BWI–PWM
Airlines flew 2,652 flights between Baltimore/Washington International Thurgood Marshall BWI in Baltimore, MD and Portland International Jetport PWM in Portland, ME in the twelve months to July 2026, both directions together: 334,131 passengers in 417,095 seats, 80% of them filled. 452 miles, about 65 minutes in the air, on 3 airlines: Southwest Airlines Co. (2,649), Allegiant Air (2), American Airlines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 191 |
| 2/25 | 177 |
| 3/25 | 187 |
| 4/25 | 214 |
| 5/25 | 230 |
| 6/25 | 240 |
| 7/25 | 238 |
| 8/25 | 269 |
| 9/25 | 244 |
| 10/25 | 246 |
| 11/25 | 215 |
| 12/25 | 215 |
| 1/26 | 186 |
| 2/26 | 179 |
| 3/26 | 207 |
| 4/26 | 206 |
| 5/26 | 212 |
| 6/26 | 235 |
| 7/26 | 238 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 17,964 |
| 2/25 | 18,625 |
| 3/25 | 23,075 |
| 4/25 | 26,048 |
| 5/25 | 32,214 |
| 6/25 | 32,761 |
| 7/25 | 33,263 |
| 8/25 | 36,452 |
| 9/25 | 30,961 |
| 10/25 | 30,336 |
| 11/25 | 25,246 |
| 12/25 | 27,581 |
| 1/26 | 18,499 |
| 2/26 | 21,154 |
| 3/26 | 27,092 |
| 4/26 | 24,617 |
| 5/26 | 27,440 |
| 6/26 | 30,726 |
| 7/26 | 34,027 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 2,649 | 333,671 | 80% | scheduled passenger service |
| Allegiant Air G4 | 2 | 351 | 98% | charter passenger service |
| American Airlines Inc. AA | 1 | 109 | 85% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-700/700LR/Max 7 | 1,359 | 140 | 157,935 |
| Boeing B737 Max 800 | 657 | 175 | 92,737 |
| Boeing 737-800 | 633 | 175 | 82,999 |
| Airbus Industrie A320-100/200 | 2 | 180 | 351 |
| Airbus Industrie A319 | 1 | 128 | 109 |
BWI → PWM this direction alone · flown January 2025 to July 2026
1,325 flights of 1,342 scheduled, 164,900 passengers in 208,414 seats. Southwest Airlines Co. 1,324; Allegiant Air 1.
PWM → BWI this direction alone · flown January 2025 to July 2026
1,327 flights of 1,343 scheduled, 169,231 passengers in 208,681 seats. Southwest Airlines Co. 1,325; American Airlines Inc. 1; Allegiant Air 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Baltimore/Washington International Thurgood Marshall BWI and Portland International Jetport PWM; all routes.