Routes and flights · the DOT's airline reports, August 2025 to July 2026

Ontario International ⇄ Buffalo Niagara International ONT–BUF

Airlines flew 1 flights between Ontario International ONT in Ontario, CA and Buffalo Niagara International BUF in Buffalo, NY in the twelve months to July 2026, both directions together: 47 passengers in 72 seats, 65% of them filled. 2,173 miles, about 267 minutes in the air, on 1 airline: Delta Air Lines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.

flights, twelve months

BUF-ONT: 1

passengers

65% of seats filled

2,173

miles

about 267 minutes airborne

airline

1 aircraft type

Flights by month both directions

By month, as a table

	flights
2/25	1
1/26	1

Passengers by month

By month, as a table

	passengers
2/25	52
1/26	47

The airlines twelve months, both directions

Airline	Flights	Passengers	Seats filled	Service
Delta Air Lines Inc. DL	1	47	65%	charter passenger service

The aircraft as the airlines report their types

Aircraft	Flights	Seats a flight	Passengers
Boeing 757-200	1	72	47

BUF → ONT this direction alone · flown February 2025 to January 2026

1 flights, 47 passengers in 72 seats. Delta 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: Ontario International ONT and Buffalo Niagara International BUF; all routes.