Buffalo (BUF) to Atlanta (ATL) flights

Delta Air Lines, Frontier Airlines fly nonstop from Buffalo Niagara International Airport to Hartsfield Jackson Atlanta International Airport, with about 32 flights a week in July 2026. The 712-mile flight takes about 2h 7m gate to gate.

From
BUF
Buffalo
Buffalo Niagara International Airport
To
ATL
Atlanta
Hartsfield Jackson Atlanta International Airport
Distance
712 mi · 1,146 km
Flight time
2h 7m
Airlines
2
Seats filled
83%
Flights a week, July 2026
1,482 flights and 228,256 passengers in 12 months
ATLATLBUF
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying BUF to ATL

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Delta Air Lines26Airbus A321, Boeing 737-900ER, Airbus A320-100/200186,4732h 5m
Frontier Airlines6Airbus A321, Airbus A320neo, Airbus A320-100/20041,7832h 17m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

BUF to ATL flight schedule

5 flight numbers flew this route in August 2026, 5 of them almost daily. The first usually leaves at 6:05am and the last at 7:19pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
DL 2664Delta Air Lines6:05am8:15am3187%
F9 1407Frontier Airlines11:36am1:48pm3166%
DL 1384Delta Air Lines12:16pm2:22pm3183%
DL 2266Delta Air Lines4:13pm6:23pm3179%
DL 2054Delta Air Lines7:19pm9:40pm2579%

Is BUF to ATL on time?

From September 2025 to August 2026, 80% of 1,533 flights arrived within 15 minutes of schedule and 2% were cancelled. Flights leaving around 6am were the most punctual (87%), those around 2pm the least (57%). Most delay time was caused by late-arriving aircraft (48%).

AirlineFlightsOn timeAverage delayCancelled
Delta Air Lines1,25484%10 min1.9%
Frontier Airlines27866%34 min2.5%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departureFlightsOn time, relativeOn time
6am to 7am365
87%
11am to 12pm64
75%
12pm to 1pm425
81%
1pm to 2pm51
72%
2pm to 3pm80
57%
4pm to 5pm137
80%
5pm to 6pm97
73%
6pm to 7pm107
86%
7pm to 8pm195
82%

Flights by month

MonthFlightsFlights, relativePassengers
August 2025131
21,485
September 2025124
18,486
October 2025142
22,655
November 2025104
15,808
December 2025100
15,149
January 202689
11,658
February 202697
13,698
March 2026126
17,610
April 2026143
19,965
May 2026147
22,697
June 2026138
23,352
July 2026142
25,863

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.