Direct flights from Chicago to St Louis MDW → STL
Southwest Airlines flies nonstop from Chicago (MDW) to St Louis (STL), several times daily. The flight takes about 1h 1m and covers 251 miles (404 km). Arrivals run on time 72.8% at MDW and 76.7% at STL — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Schedule data from 31 July 2026.
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Southwest Airlines
WN
Departure Schedule typical week
Typical weekly schedule · 42 flights per week (~6 per day) · Updated 30d ago
Southwest Airlines
Frequently asked questions
Is there a direct flight from Chicago to St Louis?
Yes, Southwest Airlines operates nonstop flights from Chicago (MDW) to St Louis (STL).
Which airlines fly direct from Chicago to St Louis?
Southwest Airlines operates nonstop flights from Chicago to St Louis.
How long is the flight from Chicago to St Louis?
The nonstop flight from Chicago to St Louis takes ~1h 1m (approximately 404 km).
How often do direct flights operate from Chicago to St Louis?
Nonstop flights from Chicago to St Louis operate multiple daily — 42 flights per week (~6 per day).
What is the on-time performance for flights from Chicago to St Louis?
Arrivals run on time 72.8% at MDW and 76.7% at STL — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from Chicago to St Louis?
Direct flights from Chicago to St Louis operate every day of the week.
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