🇺🇸 IAH
Houston
736 mi
STL 🇺🇸
St Louis

Houston to St Louis Flights

George Bush Intercontinental Houston Airport St. Louis Lambert International Airport 3 airlines

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The Houston to St Louis route connects George Bush Intercontinental Houston Airport (IAH) in US with St. Louis Lambert International Airport (STL) in US. This short-haul flight covers approximately 736 miles (1184 km) with a typical flight time of 1h 40m. This route is served by 3 airlines: United, Mesa, SKW. AirportRoutes has tracked 6 unique flight numbers on this route.

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Departure Airport

George Bush Intercontinental Houston Airport

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

Destination Airport

St. Louis Lambert International Airport

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

3

Operators

6

Tracked Flights

736

Miles

1h 40m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
United UAL UA
Mesa ASH YV
SkyWest SKW OO

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 1 6%
Tuesday 1 6%
Wednesday 4 25%
Thursday 4 25%
Friday 2 12%
Saturday 3 19%
Sunday 1 6%

Pattern Analysis

6 Tracked Flights:
Data Points: 16
API observations used to build this analysis
Weekdays: 12 flights
Weekend: 4 flights
Business Route More active on weekdays

All Flight Routes

3 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
E75L 07:20 7:20 AM (Representative)
M T W T F S S
Jun 18, 2026 Active
SkyWest
SKW / OO
E75L 12:00 12:00 PM (Representative)
M T W T F S S
Jun 18, 2026 Active
United
UAL / UA
B738 20:10 8:10 PM (Representative)
M T W T F S S
Jun 18, 2026 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3

Spotted Departure Times

Departure Time Operator ICAO IATA
07:20 7:20 AM Mesa ASH YV
12:00 12:00 PM SkyWest SKW OO
20:10 8:10 PM United UAL UA

Time Information

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

Total Departure Times: 3
Time Range:
07:20 - 20:10
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.