Nashville (BNA) to Buffalo (BUF)
Flight time
≈ 2h 04m
Bearing
39° NE
Nashville (BNA) to Buffalo (BUF) is 633 miles (1,018 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BNA–BUF
Filed traffic dataIn May 2026, Southwest Airlines operated the most departures, one of 2 carriers flying nonstop BNA–BUF; the Boeing 737 MAX 8 was the most common aircraft at 42% of departures; flights ran 78% full.
Departures
64
May 2026
Seats
10,432
both directions
Passengers
8,143
both directions
Load factor
78.1%
RPM ÷ ASM
Who flies BNA–BUF?
Southwest Airlines operated the most nonstop BNA–BUF departures in May 2026 (62), one of 2 carriers on the route.
- WN
62 departures · 10,394 seats
Share of departures96.9%78.1%
Load
- LF
Contour Airlines
2 departures · 38 seats
Share of departures3.1%63.2%
Load
What plane flies BNA–BUF?
In May 2026, the Boeing 737 MAX 8 flew 42% of BNA–BUF departures — more than any other aircraft type.
- Boeing 737 MAX 8
27 departures · 72.8% load
42.2% - Boeing 737-800
23 departures · 79.3% load
35.9% - Boeing 737-700
12 departures · 90.5% load
18.8% - Bombardier Challenger 604
2 departures · 63.2% load
3.1%
How has BNA–BUF traffic changed?
Nonstop BNA–BUF departures rose from 59 in June 2025 to 64 in May 2026.
Monthly nonstop BNA–BUF traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
59 departures · 8,149 passengers
85.5%
Load
July 2025
60 departures · 8,931 passengers
90.9%
Load
August 2025
64 departures · 9,332 passengers
90.5%
Load
September 2025
61 departures · 8,219 passengers
83.2%
Load
October 2025
62 departures · 8,356 passengers
86.5%
Load
November 2025
65 departures · 7,481 passengers
70.8%
Load
December 2025
64 departures · 7,330 passengers
69.5%
Load
January 2026
61 departures · 6,296 passengers
66.2%
Load
February 2026
56 departures · 5,965 passengers
71.4%
Load
March 2026
65 departures · 7,703 passengers
77.9%
Load
April 2026
60 departures · 7,640 passengers
77.5%
Load
May 2026
64 departures · 8,143 passengers
78.1%
Load
By direction
Each direction is filed separately — they rarely match.
BNA → BUF
84.1% full
32 departures · 4,194 passengers
BUF → BNA
72.5% full
32 departures · 3,949 passengers
Nonstop BNA–BUF traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Nashville (BNA) from Buffalo (BUF)?
BNA to BUF is 633 miles (1,018 km / 550 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BNA to BUF?
A nonstop covers the 633-mile great-circle distance in roughly 2h 04m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BNA–BUF?
In May 2026, the Boeing 737 MAX 8 flew the largest share of departures (42.2%), followed by the Boeing 737-800 (35.9%).
What mileage do I earn flying BNA–BUF?
Distance-based programs credit off the 633-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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