Baltimore (BWI) to Portland (PWM)
Flight time
≈ 1h 42m
Bearing
45° NE
Baltimore (BWI) to Portland (PWM) is 451 miles (726 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BWI–PWM
US DOT T-100 · filed dataIn April 2026, Southwest Airlines was the only carrier flying nonstop BWI–PWM; the Boeing 737-700 was the most common aircraft at 43% of departures; flights ran 75% full.
Departures
206
April 2026
Seats
32,706
both directions
Passengers
24,617
both directions
Load factor
75.3%
passengers ÷ seats
Who flies BWI–PWM?
Southwest Airlines was the only carrier to fly nonstop BWI–PWM in April 2026 (206 departures).
- WN
Southwest Airlines
206 departures · 32,706 seats
Share of departures100.0%75.3%
Load
What plane flies BWI–PWM?
In April 2026, the Boeing 737-700 flew 43% of BWI–PWM departures — more than any other aircraft type.
- Boeing 737-700
88 departures · 80.3% load
42.7% - Boeing 737 MAX 8
64 departures · 72.2% load
31.1% - Boeing 737-800
54 departures · 72.5% load
26.2%
How has BWI–PWM traffic changed?
Nonstop BWI–PWM departures fell from 230 in May 2025 to 206 in April 2026.
Monthly nonstop BWI–PWM traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
230 departures · 32,214 passengers
85.3%
Load
June 2025
240 departures · 32,761 passengers
84.8%
Load
July 2025
238 departures · 33,263 passengers
86.6%
Load
August 2025
269 departures · 36,452 passengers
87.5%
Load
September 2025
244 departures · 30,961 passengers
82.2%
Load
October 2025
246 departures · 30,336 passengers
80.7%
Load
November 2025
215 departures · 25,246 passengers
74.6%
Load
December 2025
215 departures · 27,581 passengers
81.6%
Load
January 2026
186 departures · 18,499 passengers
64.1%
Load
February 2026
179 departures · 21,154 passengers
78.0%
Load
March 2026
207 departures · 27,092 passengers
81.6%
Load
April 2026
206 departures · 24,617 passengers
75.3%
Load
By direction
The DOT files each direction separately — they rarely match.
BWI → PWM
74.7% full
103 departures · 12,210 passengers
PWM → BWI
75.9% full
103 departures · 12,407 passengers
Nonstop BWI–PWM traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Baltimore
US
Baltimore/Washington International Thurgood Marshall Airport
Coordinates
39.18°N, 76.67°W
Hemisphere
N · W
Frequently asked
How far is Baltimore (BWI) from Portland (PWM)?
BWI to PWM is 451 miles (726 km / 392 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BWI to PWM?
A nonstop covers the 451-mile great-circle distance in roughly 1h 42m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BWI–PWM?
In April 2026, the Boeing 737-700 flew the largest share of departures (42.7%), followed by the Boeing 737 MAX 8 (31.1%).
What mileage do I earn flying BWI–PWM?
Distance-based programs credit off the 451-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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