St Louis to Houston Flights STL → IAH

St. Louis Lambert International Airport → George Bush Intercontinental Houston Airport

🇺🇸 St Louis, US → 🇺🇸 Houston, US

The St Louis to Houston route connects St. Louis Lambert International Airport (STL) in US with George Bush Intercontinental Houston Airport (IAH) in US. This medium-haul flight covers approximately 1158 miles (1864 km). This route is served by 2 airlines: Mesa, United.

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

George Bush Intercontinental Houston Airport

ICAO Code:: KIAH
IATA Code:: IAH
City:: 🇺🇸 Houston
Country:: US
Elevation:: 97 ft

Route Statistics

Operators

Routes Tracked

1158

Miles

Flight Duration

Route Map

Operating Airlines

Airline	ICAO	IATA
Mesa	`ASH`	`YV`
United	`UAL`	`UA`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	2	40%
Tuesday	2	40%
Wednesday	0	0%
Thursday	1	20%
Friday	0	0%
Saturday	0	0%
Sunday	0	0%

Pattern Analysis

Data Points: 5
API observations used to build this analysis

Weekdays: 5 flights
Weekend: 0 flights

All Flight Routes

2 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
Mesa `ASH` / `YV`	-	A319	-	M T W T F S S	Nov 18, 2025	Active
United `UAL` / `UA`	-	A319	-	M T W T F S S	Jul 28, 2025	Active

Total Routes: 2

Active Routes: 2

Unique Airlines: 2

Aircraft Types: 2