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

Chicago/Rockford International ⇄ Ontario International RFD–ONT

Airlines flew 1,617 flights between Chicago/Rockford International RFD in Chicago/Rockford, IL and Ontario International ONT in Ontario, CA in the twelve months to July 2026, both directions together: 155 passengers in 179 seats, 87% of them filled, and 88,409,157 pounds of freight. 1,642 miles, about 216 minutes in the air, on 5 airlines: United Parcel Service (1,064), ABX Air Inc (285), Air Transport International (265), Kalitta Air LLC (2) and 1 more. Planning to fly it yourself? The weather and winds along this route right now.

1,617
flights, twelve months
RFD-ONT: 785 · ONT-RFD: 832
155
passengers
87% of seats filled
1,642
miles
about 216 minutes airborne
5
airlines
6 aircraft types

Flights by month both directions

043861291721/254/257/2510/251/264/261207/26
By month, as a table
flights
1/25114
2/25121
3/25128
4/25131
5/25122
6/25108
7/25117
8/25119
9/25113
10/25125
11/25134
12/25172
1/26126
2/26136
3/26148
4/26162
5/26140
6/26122
7/26120

Passengers by month

039781161551/254/257/2510/251/264/261557/26
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
11/250
12/250
1/260
2/260
3/260
4/260
5/260
6/260
7/26155

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Parcel Service 5X1,0640scheduled cargo service
ABX Air Inc ABX2850charter cargo service, scheduled cargo service
Air Transport International 8C2650charter cargo service
Kalitta Air LLC KAQ20charter cargo service
United Air Lines Inc. UA115587%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 767-300/300ER1,51200
Airbus Industrie A300-600/R/CF/RCF5200
Boeing 757-2003900
McDonnell Douglas MD-11700
Boeing 747-400600
Boeing 737-900ER1179155

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

785 flights of 581 scheduled, 0 passengers, 33,812,774 pounds of freight, 6,439,903 pounds of mail. United Parcel Service 581; Air Transport International 203; Kalitta Air LLC 1.

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

832 flights of 739 scheduled, 155 passengers in 179 seats, 54,596,383 pounds of freight, 7,963,509 pounds of mail. United Parcel Service 483; ABX Air Inc 285; Air Transport International 62; Kalitta Air LLC 1; 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: Chicago/Rockford International RFD and Ontario International ONT; all routes.