New calculation
Flight distance & time
Chicago Rockford International Airport → Ontario International Airport
RFDONT
- Distance
- 2,637 km · 1,638 mi
- Flight time
- 04h 02m
- CO₂ per passenger
- 237 kg
This Chicago Rockford International Airport → Ontario 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: Ontario International Airport → Chicago Rockford International Airport
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Your route
- FromRFDChicago Rockford International AirportChicago/Rockford, Illinois
- ToONTOntario International AirportOntario, California
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~0.9 flights/day
Airlines on this route
ATI
Common questions
Chicago Rockford International Airport to Ontario International Airport FAQ
How far is Chicago Rockford International Airport from Ontario International Airport?
Chicago Rockford International Airport (RFD) and Ontario International Airport (ONT) are 2,637 km (1,638 mi) apart, measured along the great-circle route.
How long is the flight from Chicago Rockford International Airport to Ontario International Airport?
A direct RFD–ONT 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 Chicago Rockford International Airport to Ontario International Airport produce?
A passenger's share of CO₂ on the RFD–ONT route is roughly 237 kg.
Which airlines fly from Chicago Rockford International Airport to Ontario International Airport?
ATI operate scheduled service between RFD and ONT.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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