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

Buffalo Niagara International ⇄ Charlotte/Douglas International BUF–CLT

Airlines flew 2,298 flights between Buffalo Niagara International BUF in Buffalo, NY and Charlotte/Douglas International CLT in Charlotte, NC in the twelve months to July 2026, both directions together: 318,688 passengers in 385,344 seats, 83% of them filled, and 1,383 pounds of freight. 546 miles, about 85 minutes in the air, on 6 airlines: American Airlines Inc. (2,288), Delta Air Lines Inc. (2), Allegiant Air (2), Southwest Airlines Co. (2) and 2 more. Planning to fly it yourself? The weather and winds along this route right now.

2,298
flights, twelve months
BUF-CLT: 1,146 · CLT-BUF: 1,152
318,688
passengers
83% of seats filled
546
miles
about 85 minutes airborne
6
airlines
9 aircraft types

Flights by month both directions

0621241852471/254/257/2510/251/264/261887/26
By month, as a table
flights
1/25179
2/25166
3/25181
4/25179
5/25186
6/25226
7/25234
8/25241
9/25196
10/25247
11/25176
12/25176
1/26166
2/26171
3/26191
4/26182
5/26186
6/26178
7/26188

Passengers by month

09,59119,18228,77238,3631/254/257/2510/251/264/2628,9037/26
By month, as a table
passengers
1/2521,403
2/2520,329
3/2523,110
4/2523,928
5/2526,625
6/2531,778
7/2536,385
8/2538,363
9/2527,998
10/2534,365
11/2525,034
12/2524,236
1/2620,532
2/2621,025
3/2623,784
4/2624,078
5/2625,597
6/2624,773
7/2628,903

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
American Airlines Inc. AA2,288317,84783%scheduled passenger service
Delta Air Lines Inc. DL228366%charter passenger service
Allegiant Air G4212434%charter passenger service
Southwest Airlines Co. WN2349100%scheduled passenger service
CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle LF200%charter passenger service
Piedmont Airlines PT28585%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-8001,053172152,266
Airbus Industrie A321Neoxlr58719088,798
Airbus Industrie A31937212841,243
Airbus Industrie A320-100/20020315024,291
Boeing B737 Max 800391725,878
Airbus Industrie A321-200n381925,844
Boeing 767-300/300ER2216283
Bombardier Challenger 604/6052230
Embraer-14525085

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

1,146 flights of 1,164 scheduled, 157,236 passengers in 192,407 seats, 397 pounds of freight. American Airlines Inc. 1,143; Delta Air Lines Inc. 1; Allegiant Air 1; Southwest Airlines Co. 1.

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

1,152 flights of 1,167 scheduled, 161,452 passengers in 192,937 seats, 986 pounds of freight. American Airlines Inc. 1,145; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 2; Piedmont Airlines 2; Delta Air Lines Inc. 1; Allegiant Air 1; Southwest Airlines Co. 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: Buffalo Niagara International BUF and Charlotte/Douglas International CLT; all routes.