Atlanta (ATL) to Buffalo (BUF)
Flight time
≈ 2h 14m
Bearing
24° NE
Atlanta (ATL) to Buffalo (BUF) is 713 miles (1,147 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ATL–BUF
US DOT T-100 · filed dataIn April 2026, Delta Air Lines operated the most departures, one of 2 carriers flying nonstop ATL–BUF; the Airbus A321 was the most common aircraft at 56% of departures; flights ran 79% full.
Departures
287
April 2026
Seats
52,823
both directions
Passengers
41,682
both directions
Load factor
78.9%
passengers ÷ seats
Who flies ATL–BUF?
Delta Air Lines operated the most nonstop ATL–BUF departures in April 2026 (227), one of 2 carriers on the route.
- DL
Delta Air Lines
227 departures · 40,643 seats
Share of departures79.1%84.0%
Load
- F9
Frontier Airlines
60 departures · 12,180 seats
Share of departures20.9%61.8%
Load
What plane flies ATL–BUF?
In April 2026, the Airbus A321 flew 56% of ATL–BUF departures — more than any other aircraft type.
- Airbus A321
162 departures · 82.0% load
56.5% - Airbus A320
72 departures · 85.0% load
25.1% - Airbus A320neo
30 departures · 61.8% load
10.4% - Airbus A321neo
18 departures · 59.3% load
6.3% - Airbus A319
5 departures · 93.0% load
1.7%
How has ATL–BUF traffic changed?
Nonstop ATL–BUF departures rose from 214 in May 2025 to 287 in April 2026.
Monthly nonstop ATL–BUF traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
214 departures · 35,131 passengers
84.7%
Load
June 2025
237 departures · 37,115 passengers
83.8%
Load
July 2025
265 departures · 44,475 passengers
90.0%
Load
August 2025
266 departures · 42,997 passengers
87.1%
Load
September 2025
248 departures · 36,998 passengers
82.6%
Load
October 2025
289 departures · 44,843 passengers
80.2%
Load
November 2025
209 departures · 30,856 passengers
75.0%
Load
December 2025
203 departures · 30,084 passengers
78.4%
Load
January 2026
180 departures · 23,066 passengers
71.6%
Load
February 2026
193 departures · 27,185 passengers
77.6%
Load
March 2026
252 departures · 35,017 passengers
80.4%
Load
April 2026
287 departures · 41,682 passengers
78.9%
Load
By direction
The DOT files each direction separately — they rarely match.
ATL → BUF
81.7% full
144 departures · 21,717 passengers
BUF → ATL
76.0% full
143 departures · 19,965 passengers
Nonstop ATL–BUF 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
Atlanta
US
Hartsfield Jackson Atlanta International Airport
Coordinates
33.64°N, 84.43°W
Hemisphere
N · W
Frequently asked
How far is Atlanta (ATL) from Buffalo (BUF)?
ATL to BUF is 713 miles (1,147 km / 619 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ATL to BUF?
A nonstop covers the 713-mile great-circle distance in roughly 2h 14m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ATL–BUF?
In April 2026, the Airbus A321 flew the largest share of departures (56.5%), followed by the Airbus A320 (25.1%).
What mileage do I earn flying ATL–BUF?
Distance-based programs credit off the 713-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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