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

Delta Air Lines

Non-stop with Delta Air Lines

  • Total flight time: 2 hours and 1 minutes
  • Sky Team Alliance
  • Atlanta is a Delta Air Lines hub (Largest hub).
  • 27 flights per week
  • Airbus A321
    Airbus A320
  • Business and first class available
ATL
Direct
BUF

The timetable & schedule information was updated at 2026-04-21

Frontier Airlines

Non-stop with Frontier Airlines

  • Total flight time: 2 hours and 10 minutes
  • Low-cost airline
  • Atlanta is a Frontier Airlines focus city (Operating base).
  • 7 flights per week
  • Airbus A321neo
    Airbus A320neo
ATL
Direct
BUF

The timetable & schedule information was updated at 2026-04-21

American Airlines

Via Charlotte with American Airlines

  • Total flight time: 3h 39m - 6h 08m.
  • One World Alliance
  • 42 flights per week
ATL
 
Via CLT
 
BUF

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Baltimore with Southwest Airlines

  • Total flight time: 3h 40m - 6h 00m.
  • Low-cost airline
  • Atlanta is a Southwest Airlines focus city (Operating base).
  • 124 flights per week
ATL
 
Via BWI
 
BUF
 
Flight
Mon
Jun 22
Tue
Jun 23
Wed
Jun 24
Thu
Jun 25
Fri
Jun 26
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Jun 27
Sun
Jun 28
WN894
WN762
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06:05
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WN4364
WN762
07:00
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07:00
07:00
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06:20
WN186
WN279
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07:15
07:15
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WN186
WN894
10:15
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10:15
10:15
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08:25
WN2161
WN766
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10:20
10:20
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WN4275
WN768
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13:25
WN204
WN768
14:25
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14:25
14:25
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WN234
WN1742
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14:35
14:35
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WN209
WN3946
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17:25
17:25
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WN4778
WN4577
18:15
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18:15
18:15
18:35
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WN4778
WN1593
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18:15
WN189
WN4577
19:50
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19:50
19:50
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SHOW RETURN SCHEDULE
CHECK PRICES FOR ATL - BUF

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Detroit with Delta Air Lines

  • Total flight time: 3h 43m - 6h 07m.
  • Sky Team Alliance
  • Atlanta is a Delta Air Lines hub (Largest hub).
  • 180 flights per week
  • Airbus A321
    Airbus A320
ATL
 
Via DTW
 
BUF
 
Flight
Mon
Jun 22
Tue
Jun 23
Wed
Jun 24
Thu
Jun 25
Fri
Jun 26
Sat
Jun 27
Sun
Jun 28
DL1646
DL3636
07:35
07:35
07:35
07:35
07:35
07:25
07:30
DL1298
DL3642
09:20
09:20
09:20
09:20
09:20
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09:20
DL1240
DL3642
11:00
11:00
11:00
11:00
11:00
10:00
11:00
DL1031
DL3637
13:46
13:46
13:46
13:46
13:46
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14:00
DL1005
DL3637
15:28
15:28
15:28
15:28
15:28
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15:28
DL2067
DL978
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17:15
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DL1478
DL978
18:10
18:10
18:10
18:10
18:10
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18:10
DL1262
DL978
19:15
19:15
19:15
19:15
19:15
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19:15
SHOW RETURN SCHEDULE
CHECK PRICES FOR ATL - BUF

The timetable & schedule information was updated at 2026-04-21

American Airlines

Via Washington with American Airlines

  • Total flight time: 3h 44m - 6h 34m.
  • One World Alliance
  • 30 flights per week
ATL
 
Via DCA
 
BUF

The timetable & schedule information was updated at 2026-04-21

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At Airlineinformation.com you can learn all about the airlines operating around the world together with their destinations and where they operate. You will get a transparent overview of airlines with scheduled flights between any two destinations with non-stop or 1-stop flights regardless of price or availability.
Flight data on this page was last updated on 2026-06-08