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

Miami International ⇄ Ontario International MIA–ONT

Airlines flew 204 flights between Miami International MIA in Miami, FL and Ontario International ONT in Ontario, CA in the twelve months to July 2026, both directions together: 500 passengers in 540 seats, 93% of them filled, and 8,161,305 pounds of freight. 2,296 miles, about 335 minutes in the air, on 2 airlines: United Parcel Service (201), American Airlines Inc. (3). Planning to fly it yourself? The weather and winds along this route right now.

204
flights, twelve months
MIA-ONT: 3 · ONT-MIA: 201
500
passengers
93% of seats filled
2,296
miles
about 335 minutes airborne
2
airlines
5 aircraft types

Flights by month both directions

051015201/254/257/2510/251/264/26197/26
By month, as a table
flights
1/2517
2/2516
3/2516
4/2518
5/2516
6/2516
7/2520
8/2517
9/2516
10/2519
11/2516
12/2516
1/2616
2/2616
3/2617
4/2618
5/2617
6/2617
7/2619

Passengers by month

048971461941/254/257/2510/251/264/2607/26
By month, as a table
passengers
1/250
2/250
3/250
4/250
5/250
6/250
7/250
8/250
9/250
10/250
11/25194
12/250
1/26141
2/260
3/260
4/260
5/26165
6/260
7/260

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Parcel Service 5X2010scheduled cargo service
American Airlines Inc. AA350093%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 767-300/300ER18000
Boeing 757-2001600
Airbus Industrie A300-600/R/CF/RCF500
Boeing 737-8002172306
Airbus Industrie A321-200n1196194

MIA → ONT this direction alone · flown July 2025 to May 2026

3 flights of 3 scheduled, 500 passengers in 540 seats, 104 pounds of freight, 115 pounds of mail. American Airlines Inc. 3.

ONT → MIA this direction alone · flown January 2025 to July 2026

201 flights of 201 scheduled, 0 passengers, 8,161,201 pounds of freight, 6,394,903 pounds of mail. United Parcel Service 201.

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: Miami International MIA and Ontario International ONT; all routes.