🇺🇸 HOU
Houston
689 mi
STL 🇺🇸
St Louis

Houston to St Louis Flights

William P Hobby Airport St. Louis Lambert International Airport 1 airline

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The Houston to St Louis route connects William P Hobby Airport (HOU) in US with St. Louis Lambert International Airport (STL) in US. This short-haul flight covers approximately 689 miles (1109 km) with a typical flight time of 1h 41m. This route is operated by Southwest. AirportRoutes has tracked 18 unique flight numbers on this route.

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Departure Airport

William P Hobby Airport

ICAO Code:
KHOU
IATA Code:
HOU
City:
🇺🇸 Houston
Country:
US
Elevation:
46 ft

Destination Airport

St. Louis Lambert International Airport

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

1

Operator

18

Tracked Flights

689

Miles

1h 41m

Flight Duration

Route Map

Great Circle
Flight route map from Houston to St Louis
Map data © Mapbox © OpenStreetMap contributors

Operating Airlines

Airline ICAO IATA
Southwest SWA WN

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 14 13%
Tuesday 17 16%
Wednesday 17 16%
Thursday 17 16%
Friday 17 16%
Saturday 8 7%
Sunday 17 16%

Pattern Analysis

18 Tracked Flights:
Data Points: 107
API observations used to build this analysis
Weekdays: 82 flights
Weekend: 25 flights
Business Route More active on weekdays

All Flight Routes

1 Route
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
Southwest
SWA / WN
B38M 21:15 9:15 PM (Representative)
M T W T F S S
Mar 15, 2026 Active
Total Routes: 1
Active Routes: 1
Unique Airlines: 1
Aircraft Types: 2

Spotted Departure Times

Departure Time Operator ICAO IATA
21:15 9:15 PM Southwest SWA WN

Time Information

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

Total Departure Times: 1
Time Range:
21:15 - 21:15
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.