Jacksonville International ⇄ Buffalo Niagara International JAX–BUF
Airlines flew 11 flights between Jacksonville International JAX in Jacksonville, FL and Buffalo Niagara International BUF in Buffalo, NY in the twelve months to July 2026, both directions together: 1,041 passengers in 2,043 seats, 51% of them filled. 874 miles, about 120 minutes in the air, on 6 airlines: Southwest Airlines Co. (3), Delta Air Lines Inc. (2), Allegiant Air (2), United Air Lines Inc. (2) and 2 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 5/25 | 2 |
| 7/25 | 2 |
| 8/25 | 2 |
| 10/25 | 1 |
| 1/26 | 8 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 5/25 | 166 |
| 7/25 | 70 |
| 8/25 | 321 |
| 10/25 | 0 |
| 1/26 | 720 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 3 | 295 | 56% | scheduled passenger service |
| Delta Air Lines Inc. DL | 2 | 301 | 54% | charter passenger service |
| Allegiant Air G4 | 2 | 184 | 51% | charter passenger service |
| United Air Lines Inc. UA | 2 | 108 | 30% | scheduled passenger service |
| JetBlue Airways B6 | 1 | 153 | 94% | scheduled passenger service |
| Republic Airline YX | 1 | 0 | 0% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Airbus Industrie A320-100/200 | 3 | 174 | 337 |
| Airbus Industrie A330-900 | 2 | 281 | 301 |
| Boeing B737 Max 900 | 2 | 179 | 108 |
| Boeing 737-800 | 2 | 175 | 227 |
| Boeing B737 Max 800 | 1 | 175 | 68 |
| Embraer ERJ-175 | 1 | 76 | 0 |
JAX → BUF this direction alone · flown January 2026 to January 2026
4 flights, 359 passengers in 815 seats. Delta Air Lines Inc. 1; Allegiant Air 1; United Air Lines Inc. 1; Southwest Airlines Co. 1.
BUF → JAX this direction alone · flown May 2025 to January 2026
7 flights of 1 scheduled, 682 passengers in 1,228 seats. Southwest Airlines Co. 2; JetBlue Airways 1; Delta Air Lines Inc. 1; Allegiant Air 1; United Air Lines Inc. 1; Republic Airline 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: Jacksonville International JAX and Buffalo Niagara International BUF; all routes.