St Louis to Chicago Flights STL → ORD

St. Louis Lambert International Airport → Chicago O'Hare International Airport

🇺🇸 St Louis, US → 🇺🇸 Chicago, US

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). This route is served by 6 airlines: GoJet, Envoy Air, SkyWest and others.

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

Routes Tracked

258

Miles

Flight Duration

Route Map

Operating Airlines

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

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	2	6%
Tuesday	4	12%
Wednesday	2	6%
Thursday	10	31%
Friday	4	12%
Saturday	7	22%
Sunday	3	9%

Pattern Analysis

Data Points: 32
API observations used to build this analysis

Weekdays: 22 flights
Weekend: 10 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
American Airlines `AAL` / `AA`	-	A319	-	M T W T F S S	Aug 13, 2025	Active
Envoy Air `ENY` / `MQ`	-	CRJ7	-	M T W T F S S	Nov 18, 2025	Active
GoJet `GJS` / `G7`	-	CRJ7	-	M T W T F S S	Aug 14, 2025	Active
Republic `RPA` / `YX`	-	CRJ7	-	M T W T F S S	Aug 9, 2025	Active
SkyWest `SKW` / `OO`	-	E75L	-	M T W T F S S	Aug 14, 2025	Active
United `UAL` / `UA`	-	B738	-	M T W T F S S	Jul 26, 2025	Active

Total Routes: 6

Active Routes: 6

Unique Airlines: 6

Aircraft Types: 6

Spotted Departure Times

No departure times available

Departure times will be populated as flight data is collected for this route.