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
US DOT T-100 · filed dataIn April 2026, Southwest Airlines operated the most departures, one of 4 carriers flying nonstop BOS–BWI; the Boeing 737 MAX 8 was the most common aircraft at 33% of departures; flights ran 73% full.
Departures
646
April 2026
Seats
91,544
both directions
Passengers
67,223
both directions
Load factor
73.4%
passengers ÷ seats
Who flies BOS–BWI?
Southwest Airlines operated the most nonstop BOS–BWI departures in April 2026 (425), one of 4 carriers on the route.
- WN
Southwest Airlines
425 departures · 70,043 seats
Share of departures65.8%74.8%
Load
- YX
Republic Airways
173 departures · 13,134 seats
Share of departures26.8%69.9%
Load
- NK
Spirit Airlines
46 departures · 8,096 seats
Share of departures7.1%69.0%
Load
- DL
Delta Air Lines
2 departures · 271 seats
Share of departures0.3%24.3%
Load
What plane flies BOS–BWI?
In April 2026, the Boeing 737 MAX 8 flew 33% of BOS–BWI departures — more than any other aircraft type.
- Boeing 737 MAX 8
213 departures · 74.2% load
33.0% - Embraer E175
173 departures · 69.9% load
26.8% - Boeing 737-700
114 departures · 73.6% load
17.6% - Boeing 737-800
98 departures · 77.2% load
15.2% - Airbus A320
42 departures · 67.4% load
6.5% - Airbus A320neo
4 departures · 86.1% load
0.6% - Boeing 757-200
2 departures · 24.3% load
0.3%
How has BOS–BWI traffic changed?
Nonstop BOS–BWI departures fell from 724 in May 2025 to 646 in April 2026.
Monthly nonstop BOS–BWI traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
724 departures · 87,955 passengers
81.7%
Load
June 2025
702 departures · 81,684 passengers
81.4%
Load
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
By direction
The DOT files each direction separately — they rarely match.
BOS → BWI
73.5% full
323 departures · 33,703 passengers
BWI → BOS
73.4% full
323 departures · 33,520 passengers
Nonstop BOS–BWI 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 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 April 2026, the Boeing 737 MAX 8 flew the largest share of departures (33.0%), followed by the Embraer E175 (26.8%).
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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