The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Nashville International ⇄ Buffalo Niagara International BNA–BUF

Airlines flew 747 flights between Nashville International BNA in Nashville, TN and Buffalo Niagara International BUF in Buffalo, NY in the twelve months to July 2026, both directions together: 94,465 passengers in 118,624 seats, 80% of them filled, and 73,811 pounds of freight. 633 miles, about 85 minutes in the air, on 7 airlines: Southwest Airlines Co. (733), Delta Air Lines Inc. (4), CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle (4), Republic Airline (2) and 3 more. Planning to fly it yourself? The weather and winds along this route right now.

747
flights, twelve months
BNA-BUF: 371 · BUF-BNA: 376
94,465
passengers
80% of seats filled
633
miles
about 85 minutes airborne
7
airlines
10 aircraft types

Flights by month both directions

0163249651/254/257/2510/251/264/26657/26
By month, as a table
flights
1/2520
2/2537
3/2559
4/2559
5/2562
6/2559
7/2560
8/2564
9/2561
10/2562
11/2565
12/2564
1/2661
2/2656
3/2665
4/2660
5/2664
6/2660
7/2665

Passengers by month

02,4054,8107,2159,6201/254/257/2510/251/264/269,6207/26
By month, as a table
passengers
1/252,346
2/253,732
3/256,478
4/256,743
5/257,918
6/258,149
7/258,931
8/259,332
9/258,219
10/258,356
11/257,481
12/257,330
1/266,296
2/265,965
3/267,703
4/267,640
5/268,143
6/268,380
7/269,620

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Southwest Airlines Co. WN73393,78080%scheduled passenger service
Delta Air Lines Inc. DL445488%charter passenger service
CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle LF44869%charter passenger service
Republic Airline YX27348%scheduled passenger service
Air Wisconsin Airlines Corp ZW26464%charter passenger service
Air Canada AC14666%charter passenger service
Sun Country Airlines d/b/a MN Airlines SY100%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-700/700LR/Max 730414035,746
Boeing B737 Max 80022817531,077
Boeing 737-80020217526,957
Bombardier Challenger 604/60541848
Embraer ERJ-17527673
Boeing 757-200272101
Canadair RJ-200ER /RJ-44025064
Airbus Industrie A320-100/20017046
Airbus Industrie A321Neoxlr1189175
Boeing 737-900ER1180178

BNA → BUF this direction alone · flown January 2025 to July 2026

371 flights of 371 scheduled, 48,008 passengers in 58,895 seats, 49,137 pounds of freight. Southwest Airlines Co. 366; Republic Airline 2; Air Canada 1; Delta Air Lines Inc. 1; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 1.

BUF → BNA this direction alone · flown January 2025 to July 2026

376 flights of 370 scheduled, 46,457 passengers in 59,729 seats, 24,674 pounds of freight. Southwest Airlines Co. 367; Delta Air Lines Inc. 3; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 3; Air Wisconsin Airlines Corp 2; Sun Country Airlines d/b/a MN Airlines 1.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Nashville International BNA and Buffalo Niagara International BUF; all routes.