🇺🇸 MDW
Chicago
237 mi
ALN 🇺🇸
Alton/St Louis

Chicago to Alton/St Louis Flights

Chicago Midway International Airport St Louis Regional Airport 1 airline

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The Chicago to Alton/St Louis route connects Chicago Midway International Airport (MDW) in US with St Louis Regional Airport (ALN) in US. This short-haul flight covers approximately 237 miles (381 km) with a typical flight time of 37m. This route is operated by COL. AirportRoutes has tracked 1 unique flight number on this route.

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Departure Airport

Chicago Midway International Airport

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

Destination Airport

St Louis Regional Airport

ICAO Code:
KALN
IATA Code:
ALN
City:
🇺🇸 Alton/St Louis
Country:
US
Elevation:
544 ft

1

Operator

1

Tracked Flight

237

Miles

37m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
SC Aviation Inc. COL -

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 0 0%
Tuesday 0 0%
Wednesday 0 0%
Thursday 0 0%
Friday 1 100%
Saturday 0 0%
Sunday 0 0%

Pattern Analysis

1 Tracked Flight:
Data Points: 1
API observations used to build this analysis
Weekdays: 1 flights
Weekend: 0 flights

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
H25B 12:25 12:25 PM (Representative)
M T W T F S S
Feb 27, 2026 Active
Total Routes: 1
Active Routes: 1
Unique Airlines: 1
Aircraft Types: 1

Spotted Departure Times

Departure Time Operator ICAO IATA
12:25 12:25 PM SC Aviation Inc. COL -

Time Information

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

Total Departure Times: 1
Time Range:
12:25 - 12:25
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.