Boston (BOS) to Baltimore (BWI)
Flight time
≈ 1h 32m
Bearing
235° SW
Boston (BOS) to Baltimore (BWI) is 369 miles (594 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–BWI
Filed traffic dataIn June 2026, Southwest Airlines operated the most departures, one of 4 carriers flying nonstop BOS–BWI; the Embraer E175 was the most common aircraft at 34% of departures; flights ran 82% full.
Departures
602
June 2026
Seats
80,727
both directions
Passengers
66,259
both directions
Load factor
82.1%
RPM ÷ ASM
Who flies BOS–BWI?
Southwest Airlines operated the most nonstop BOS–BWI departures in June 2026 (399), one of 4 carriers on the route.
- WN
399 departures · 65,303 seats
Share of departures66.3%82.0%
Load
- YX
202 departures · 15,352 seats
Share of departures33.6%82.2%
Load
- DL
1 departures · 72 seats
Share of departures0.2%94.4%
Load
- NK
0 departures · 0 seats
Share of departures0.0%—
Load
What plane flies BOS–BWI?
In June 2026, the Embraer E175 flew 34% of BOS–BWI departures — more than any other aircraft type.
- Embraer E175
202 departures · 82.2% load
33.6% - Boeing 737 MAX 8
176 departures · 84.9% load
29.2% - Boeing 737-700
119 departures · 77.4% load
19.8% - Boeing 737-800
104 departures · 81.3% load
17.3% - Boeing 757-200
1 departures · 94.4% load
0.2%
How has BOS–BWI traffic changed?
Nonstop BOS–BWI departures fell from 691 in July 2025 to 602 in June 2026.
Monthly nonstop BOS–BWI traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
691 departures · 80,363 passengers
82.6%
Load
August 2025
629 departures · 75,016 passengers
86.7%
Load
September 2025
570 departures · 62,023 passengers
79.8%
Load
October 2025
668 departures · 74,375 passengers
83.3%
Load
November 2025
556 departures · 58,678 passengers
76.5%
Load
December 2025
543 departures · 56,101 passengers
74.1%
Load
January 2026
450 departures · 40,530 passengers
66.0%
Load
February 2026
426 departures · 38,603 passengers
66.6%
Load
March 2026
519 departures · 52,608 passengers
76.1%
Load
April 2026
646 departures · 67,223 passengers
73.4%
Load
May 2026
632 departures · 69,866 passengers
78.2%
Load
June 2026
602 departures · 66,259 passengers
82.1%
Load
By direction
Each direction is filed separately — they rarely match.
BOS → BWI
77.0% full
301 departures · 31,163 passengers
BWI → BOS
87.2% full
301 departures · 35,096 passengers
Nonstop BOS–BWI 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 Boston (BOS) from Baltimore (BWI)?
BOS to BWI is 369 miles (594 km / 321 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to BWI?
A nonstop covers the 369-mile great-circle distance in roughly 1h 32m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–BWI?
In June 2026, the Embraer E175 flew the largest share of departures (33.6%), followed by the Boeing 737 MAX 8 (29.2%).
What mileage do I earn flying BOS–BWI?
Distance-based programs credit off the 369-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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