🇺🇸 MDW
Chicago
251 mi
STL 🇺🇸
St Louis

Chicago to St Louis Flights

Chicago Midway International Airport St. Louis Lambert International Airport 6 airlines

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The Chicago to St Louis route connects Chicago Midway International Airport (MDW) in US with St. Louis Lambert International Airport (STL) in US. This short-haul flight covers approximately 251 miles (404 km) with a typical flight time of 53m. This route is served by 6 airlines: Southwest, Flexjet, NetJets Aviation and others. AirportRoutes has tracked 23 unique flight numbers on this route.

Airport Information

Departure Airport

Chicago Midway International Airport

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

Destination Airport

St. Louis Lambert International Airport

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

Route Statistics

6

Operators

23

Tracked Flights

251

Miles

53m

Flight Duration

Route Map

Great Circle
Flight route map from Chicago to St Louis

Operating Airlines

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 26 14%
Tuesday 32 17%
Wednesday 37 20%
Thursday 25 14%
Friday 23 12%
Saturday 22 12%
Sunday 19 10%

Pattern Analysis

23 Tracked Flights:
Data Points: 184
API observations used to build this analysis
Weekdays: 143 flights
Weekend: 41 flights
Business Route More active on weekdays

All Flight Routes

6 Routes
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
- E550 -
M T W T F S S
Jun 9, 2026 Active
- C25B -
M T W T F S S
Jun 9, 2026 Active
- CL35 -
M T W T F S S
Jun 9, 2026 Active
- C56X -
M T W T F S S
Jun 9, 2026 Active
Southwest
SWA / WN
B38M 03:15 3:15 AM (Representative)
M T W T F S S
Jun 9, 2026 Active
- C750 -
M T W T F S S
Jun 9, 2026 Active
Total Routes: 6
Active Routes: 6
Unique Airlines: 6
Aircraft Types: 7

Spotted Departure Times

Departure Time Operator ICAO IATA
03:15 3:15 AM Southwest SWA WN

Time Information

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

Total Departure Times: 1
Time Range:
03:15 - 03:15
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.