Airlines with flights from Atlanta to Buffalo
There are 6 airlines with scheduled flights between ATL and BUF. Both Delta and Frontier operates non-stop flights from Hartsfield–Jackson Atlanta Airport to Buffalo Niagara International and the flight time is 2 hours and 1 minutes.
Choose airline
Schedules
Non-stop with Delta Air Lines
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Total flight time: 2 hours and 1 minutes
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Sky Team Alliance
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Atlanta is a Delta Air Lines hub (Largest hub).
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27 flights per week
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Airbus A321Airbus A320
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Business and first class available
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with Frontier Airlines
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Total flight time: 2 hours and 10 minutes
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Low-cost airline
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Atlanta is a Frontier Airlines focus city (Operating base).
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7 flights per week
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Airbus A321neoAirbus A320neo
Flight
The timetable & schedule information was updated at 2026-04-21
Via Charlotte with American Airlines
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Total flight time: 3h 39m - 6h 08m.
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One World Alliance
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42 flights per week
Flight
AA703
The timetable & schedule information was updated at 2026-04-21
Via Baltimore with Southwest Airlines
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Total flight time: 3h 40m - 6h 00m.
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Low-cost airline
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Atlanta is a Southwest Airlines focus city (Operating base).
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124 flights per week
Flight
WN762
WN762
WN279
WN894
WN766
WN768
WN768
WN1742
WN3946
WN4577
WN1593
WN4577
The timetable & schedule information was updated at 2026-04-21
Via Detroit with Delta Air Lines
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Total flight time: 3h 43m - 6h 07m.
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Sky Team Alliance
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Atlanta is a Delta Air Lines hub (Largest hub).
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180 flights per week
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Airbus A321Airbus A320
Flight
DL3636
DL3642
DL3642
DL3637
DL3637
DL978
DL978
DL978
The timetable & schedule information was updated at 2026-04-21
Via Washington with American Airlines
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Total flight time: 3h 44m - 6h 34m.
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One World Alliance
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30 flights per week
Flight
AA5104
AA5106
AA5106
AA4638
The timetable & schedule information was updated at 2026-04-21

There are 6 airlines with scheduled flights between ATL and BUF. Both Delta and Frontier operates non-stop flights from Hartsfield–Jackson Atlanta Airport to Buffalo Niagara International and the flight time is 2 hours and 1 minutes.
Via Dulles with United
Via New York with JetBlue