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
Filed traffic dataIn June 2026, Southwest Airlines was the only carrier flying nonstop BWI–PWM; the Boeing 737 MAX 8 was the most common aircraft at 42% of departures; flights ran 80% full.
Departures
235
June 2026
Seats
38,427
both directions
Passengers
30,726
both directions
Load factor
80.0%
RPM ÷ ASM
Who flies BWI–PWM?
Southwest Airlines was the only carrier to fly nonstop BWI–PWM in June 2026 (235 departures).
- WN
235 departures · 38,427 seats
Share of departures100.0%80.0%
Load
What plane flies BWI–PWM?
In June 2026, the Boeing 737 MAX 8 flew 42% of BWI–PWM departures — more than any other aircraft type.
- Boeing 737 MAX 8
98 departures · 81.8% load
41.7% - Boeing 737-700
71 departures · 88.4% load
30.2% - Boeing 737-800
66 departures · 70.0% load
28.1%
How has BWI–PWM traffic changed?
Nonstop BWI–PWM departures fell from 238 in July 2025 to 235 in June 2026.
Monthly nonstop BWI–PWM traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
212 departures · 27,440 passengers
82.2%
Load
June 2026
235 departures · 30,726 passengers
80.0%
Load
By direction
Each direction is filed separately — they rarely match.
BWI → PWM
83.4% full
118 departures · 16,016 passengers
PWM → BWI
76.5% full
117 departures · 14,710 passengers
Nonstop BWI–PWM traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
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 June 2026, the Boeing 737 MAX 8 flew the largest share of departures (41.7%), followed by the Boeing 737-700 (30.2%).
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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