🇺🇸 STL
St Louis
263 mi
MDW 🇺🇸
Chicago

St Louis to Chicago Flights

St. Louis Lambert International Airport Chicago Midway International Airport 1 airline

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The St Louis to Chicago route connects St. Louis Lambert International Airport (STL) in US with Chicago Midway International Airport (MDW) in US. This short-haul flight covers approximately 263 miles (423 km) with a typical flight time of 43m. This route is operated by Southwest. AirportRoutes has tracked 19 unique flight numbers on this route.

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Departure Airport

St. Louis Lambert International Airport

ICAO Code:
KSTL
IATA Code:
STL
City:
🇺🇸 St Louis
Country:
US
Elevation:
618 ft

Destination Airport

Chicago Midway International Airport

ICAO Code:
KMDW
IATA Code:
MDW
City:
🇺🇸 Chicago
Country:
US
Elevation:
620 ft

1

Operator

19

Tracked Flights

263

Miles

43m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Southwest SWA WN

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 6 11%
Tuesday 11 21%
Wednesday 5 9%
Thursday 13 25%
Friday 10 19%
Saturday 5 9%
Sunday 3 6%

Pattern Analysis

19 Tracked Flights:
Data Points: 53
API observations used to build this analysis
Weekdays: 45 flights
Weekend: 8 flights
Business Route More active on weekdays

All Flight Routes

1 Route
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
Southwest
SWA / WN
B737 05:35 5:35 AM (Representative)
M T W T F S S
Jul 12, 2026 Active
Total Routes: 1
Active Routes: 1
Unique Airlines: 1
Aircraft Types: 1

Spotted Departure Times

Departure Time Operator ICAO IATA
05:35 5:35 AM Southwest SWA WN

Time Information

Times are shown in the departure airport's local timezone (KSTL - America/Chicago).

Total Departure Times: 1
Time Range:
05:35 - 05:35
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.