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Flight distance & time
Chicago Midway International Airport → St Louis Downtown Airport
MDWCPS
- Distance
- 411 km · 255 mi
- Flight time
- 01h 15m
- CO₂ per passenger
- 36 kg
This Chicago Midway International Airport → St Louis Downtown Airport route is 411 km (255 mi) end to end. The estimated flight time is 01h 15m, and a passenger's share of CO₂ works out at roughly 36 kg.
See the reverse route: St Louis Downtown Airport → Chicago Midway International Airport
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Your route
- FromMDWChicago Midway International AirportChicago, Illinois
- ToCPSSt Louis Downtown AirportCahokia/St Louis, Illinois
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~0.1 flights/day
Airlines on this route
United Airlines
Common questions
Chicago Midway International Airport to St Louis Downtown Airport FAQ
How far is Chicago Midway International Airport from St Louis Downtown Airport?
Chicago Midway International Airport (MDW) and St Louis Downtown Airport (CPS) are 411 km (255 mi) apart, measured along the great-circle route.
How long is the flight from Chicago Midway International Airport to St Louis Downtown Airport?
A direct MDW–CPS flight covers the distance in about 01h 15m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Chicago Midway International Airport to St Louis Downtown Airport produce?
A passenger's share of CO₂ on the MDW–CPS route is roughly 36 kg.
Which airlines fly from Chicago Midway International Airport to St Louis Downtown Airport?
United Airlines operate scheduled service between MDW and CPS.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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