Boston (BOS) to Buffalo (BUF)
Flight time
≈ 1h 35m
Bearing
278° W
Boston (BOS) to Buffalo (BUF) is 394 miles (635 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–BUF
Filed traffic dataIn July 2026, JetBlue Airways operated the most departures, one of 3 carriers flying nonstop BOS–BUF; the Embraer E175 was the most common aircraft at 49% of departures; flights ran 71% full.
Departures
341
July 2026
Seats
38,021
both directions
Passengers
26,930
both directions
Load factor
70.8%
seat-miles filled
Who flies BOS–BUF?
JetBlue Airways operated the most nonstop BOS–BUF departures in July 2026 (173), one of 3 carriers on the route.
- B6
173 departures · 25,264 seats
Share of departures50.7%67.2%
Load
- YX
158 departures · 11,997 seats
Share of departures46.3%77.4%
Load
- MQ
10 departures · 760 seats
Share of departures2.9%88.7%
Load
What plane flies BOS–BUF?
In July 2026, the Embraer E175 flew 49% of BOS–BUF departures — more than any other aircraft type.
- Embraer E175
168 departures · 78.1% load
49.3% - Airbus A220-300
125 departures · 63.3% load
36.7% - Airbus A320
44 departures · 75.5% load
12.9% - Airbus A321
4 departures · 80.2% load
1.2%
How has BOS–BUF traffic changed?
Nonstop BOS–BUF departures rose from 249 in August 2025 to 341 in July 2026.
Monthly nonstop BOS–BUF traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
249 departures · 21,869 passengers
86.2%
Load
September 2025
173 departures · 18,869 passengers
76.8%
Load
October 2025
211 departures · 22,961 passengers
72.5%
Load
November 2025
170 departures · 15,969 passengers
65.2%
Load
December 2025
132 departures · 13,838 passengers
74.1%
Load
January 2026
93 departures · 9,076 passengers
69.8%
Load
February 2026
70 departures · 7,648 passengers
77.9%
Load
March 2026
220 departures · 16,774 passengers
67.5%
Load
April 2026
212 departures · 14,691 passengers
72.3%
Load
May 2026
330 departures · 20,905 passengers
56.7%
Load
June 2026
328 departures · 21,901 passengers
59.8%
Load
July 2026
341 departures · 26,930 passengers
70.8%
Load
By direction
Each direction is filed separately — they rarely match.
BOS → BUF
71.9% full
171 departures · 13,896 passengers
BUF → BOS
69.8% full
170 departures · 13,034 passengers
Nonstop BOS–BUF traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work). Load factor is RPM ÷ ASM (revenue passenger-miles ÷ available seat-miles).
The airports
Frequently asked
How far is Boston (BOS) from Buffalo (BUF)?
BOS to BUF is 394 miles (635 km / 343 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to BUF?
A nonstop covers the 394-mile great-circle distance in roughly 1h 35m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–BUF?
In July 2026, the Embraer E175 flew the largest share of departures (49.3%), followed by the Airbus A220-300 (36.7%).
What mileage do I earn flying BOS–BUF?
Distance-based programs credit off the 394-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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