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

Buffalo Niagara International ⇄ Phoenix Sky Harbor International BUF–PHX

Airlines flew 395 flights between Buffalo Niagara International BUF in Buffalo, NY and Phoenix Sky Harbor International PHX in Phoenix, AZ in the twelve months to July 2026, both directions together: 55,413 passengers in 67,350 seats, 82% of them filled, and 39,968 pounds of freight. 1,912 miles, about 261 minutes in the air, on 2 airlines: Southwest Airlines Co. (394), United Air Lines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.

395
flights, twelve months
BUF-PHX: 197 · PHX-BUF: 198
55,413
passengers
82% of seats filled
1,912
miles
about 261 minutes airborne
2
airlines
3 aircraft types

Flights by month both directions

0183654721/254/257/2510/251/264/2677/26
By month, as a table
flights
1/2564
2/2559
3/2571
4/2568
5/2572
6/2552
7/2554
8/2543
9/2542
10/2568
11/2560
12/2560
1/2627
2/2644
3/264
4/2612
5/2620
6/268
7/267

Passengers by month

02,5955,1907,78510,3801/254/257/2510/251/264/261,1277/26
By month, as a table
passengers
1/256,874
2/256,550
3/257,458
4/257,860
5/258,873
6/256,538
7/257,312
8/256,467
9/256,100
10/2510,380
11/258,107
12/258,020
1/263,436
2/265,484
3/26537
4/261,737
5/262,893
6/261,125
7/261,127

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Southwest Airlines Co. WN39455,26582%scheduled passenger service
United Air Lines Inc. UA114889%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing B737 Max 80018517526,243
Boeing 737-80015517522,547
Boeing 737-700/700LR/Max 7551436,623

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

197 flights of 199 scheduled, 27,185 passengers in 33,285 seats, 16,253 pounds of freight. Southwest Airlines Co. 197.

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

198 flights of 199 scheduled, 28,228 passengers in 34,065 seats, 23,715 pounds of freight. Southwest Airlines Co. 197; United Air Lines Inc. 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 Phoenix Sky Harbor International PHX; all routes.