🇺🇸 STL
St Louis
258 mi
ORD 🇺🇸
Chicago

St Louis to Chicago Flights

St. Louis Lambert International Airport Chicago O'Hare International Airport 7 airlines

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The St Louis to Chicago route connects St. Louis Lambert International Airport (STL) in US with Chicago O'Hare International Airport (ORD) in US. This short-haul flight covers approximately 258 miles (415 km) with a typical flight time of 50m. This route is served by 7 airlines: GoJet, Envoy Air, American Airlines and others. AirportRoutes has tracked 56 unique flight numbers on this route.

Airport Information

Departure Airport

St. Louis Lambert International Airport

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

Destination Airport

Chicago O'Hare International Airport

ICAO Code:
KORD
IATA Code:
ORD
City:
🇺🇸 Chicago
Country:
US
Elevation:
680 ft

Route Statistics

7

Operators

56

Tracked Flights

258

Miles

50m

Flight Duration

Route Map

Great Circle
Flight route map from St Louis to Chicago

Operating Airlines

Airline ICAO IATA
GoJet GJS G7
Envoy Air ENY MQ
American Airlines AAL AA
SkyWest SKW OO
United UAL UA
Republic RPA YX
Spirit NKS NK

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 24 12%
Tuesday 25 12%
Wednesday 22 11%
Thursday 42 21%
Friday 35 17%
Saturday 35 17%
Sunday 21 10%

Pattern Analysis

56 Tracked Flights:
Data Points: 204
API observations used to build this analysis
Weekdays: 148 flights
Weekend: 56 flights
Business Route More active on weekdays

All Flight Routes

7 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
A319 07:00 7:00 AM (Representative)
M T W T F S S
Jul 2, 2026 Active
Envoy Air
ENY / MQ
E170 14:36 2:36 PM (Representative)
M T W T F S S
Jul 2, 2026 Active
GoJet
GJS / G7
CRJ7 15:10 3:10 PM (Representative)
M T W T F S S
Jul 2, 2026 Active
Spirit
NKS / NK
A21N 09:30 9:30 AM (Representative)
M T W T F S S
Jul 2, 2026 Active
Republic
RPA / YX
CRJ7 13:45 1:45 PM (Representative)
M T W T F S S
Jul 2, 2026 Active
SkyWest
SKW / OO
CRJ7 13:45 1:45 PM (Representative)
M T W T F S S
Jul 2, 2026 Active
United
UAL / UA
B38M 13:13 1:13 PM (Representative)
M T W T F S S
Jul 2, 2026 Active
Total Routes: 7
Active Routes: 7
Unique Airlines: 7
Aircraft Types: 7

Spotted Departure Times

Departure Time Operator ICAO IATA
07:00 7:00 AM American Airlines AAL AA
09:30 9:30 AM Spirit NKS NK
13:13 1:13 PM United UAL UA
13:45 1:45 PM Republic RPA YX
13:45 1:45 PM SkyWest SKW OO
14:36 2:36 PM Envoy Air ENY MQ
15:10 3:10 PM GoJet GJS G7

Time Information

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

Total Departure Times: 7
Time Range:
07:00 - 15:10
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.