St Louis to Chicago Flights (STL-ORD)

🇺🇸 STL

St Louis

766 mi

ORD 🇺🇸

Chicago

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

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 766 miles (1233 km) with a typical flight time of 55m. This route is served by 7 airlines: GoJet, Envoy Air, American Airlines and others. AirportRoutes has tracked 57 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 O'Hare International Airport

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

Operators

Tracked Flights

766

Miles

55m

Flight Duration

Route Map

Great Circle

Map data © Mapbox © OpenStreetMap contributors

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
Monday	24	12%
Tuesday	25	12%
Wednesday	22	11%
Thursday	42	20%
Friday	36	18%
Saturday	35	17%
Sunday	21	10%

Pattern Analysis

57 Tracked Flights:

Data Points: 205
API observations used to build this analysis

Weekdays: 149 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	Aircraft Type	Typical Time	Days Active	Last Seen	Status
American Airlines `AAL` / `AA`	A319	07:00 7:00 AM (Representative)	M T W T F S S	Jul 12, 2026	Active
Envoy Air `ENY` / `MQ`	E170	14:36 2:36 PM (Representative)	M T W T F S S	Jul 12, 2026	Active
GoJet `GJS` / `G7`	CRJ7	10:20 10:20 AM (Representative)	M T W T F S S	Jul 12, 2026	Active
Spirit `NKS` / `NK`	A21N	09:30 9:30 AM (Representative)	M T W T F S S	Jul 12, 2026	Active
Republic `RPA` / `YX`	CRJ7	13:45 1:45 PM (Representative)	M T W T F S S	Jul 12, 2026	Active
SkyWest `SKW` / `OO`	CRJ7	13:45 1:45 PM (Representative)	M T W T F S S	Jul 12, 2026	Active
United `UAL` / `UA`	B38M	13:13 1:13 PM (Representative)	M T W T F S S	Jul 12, 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`
10:20 10:20 AM	GoJet	`GJS`	`G7`
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`

Time Information

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

Total Departure Times: 7

Time Range:
07:00 - 14:36

These are typical departure times observed from actual flights. Times may vary by season and schedule changes.

St Louis to Chicago Flights

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