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Flight distance & time
Ontario International Airport → Chicago Rockford International Airport
ONTRFD
- Distance
- 2,637 km · 1,638 mi
- Flight time
- 04h 02m
- CO₂ per passenger
- 237 kg
This Ontario International Airport → Chicago Rockford International Airport route is 2,637 km (1,638 mi) end to end. The estimated flight time is 04h 02m, and a passenger's share of CO₂ works out at roughly 237 kg.
See the reverse route: Chicago Rockford International Airport → Ontario International Airport
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Your route
- FromONTOntario International AirportOntario, California
- ToRFDChicago Rockford International AirportChicago/Rockford, Illinois
Flight map
Track your lifetime distance flown across every trip.
Route service
We don't have scheduled-service data for this route — it may be operated by non-commercial or charter flights only.
Common questions
Ontario International Airport to Chicago Rockford International Airport FAQ
How far is Ontario International Airport from Chicago Rockford International Airport?
Ontario International Airport (ONT) and Chicago Rockford International Airport (RFD) are 2,637 km (1,638 mi) apart, measured along the great-circle route.
How long is the flight from Ontario International Airport to Chicago Rockford International Airport?
A direct ONT–RFD flight covers the distance in about 04h 02m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Ontario International Airport to Chicago Rockford International Airport produce?
A passenger's share of CO₂ on the ONT–RFD route is roughly 237 kg.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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