HOU → STLHouston to St Louis

live

Direct flights from Houston (HOU) to St Louis (STL): 7 nonstop departures observed each week across 1 airline. The median arrival is 5 minutes late. No cancellations were recorded across the 4 tracked flights. The nonstop covers 1,108 km, an estimated 1 hour 55 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and St Louis. Updated 8 September 2026 at 11:25 UTC.

HOU Houston heavy · +33
STL St Louis smooth · +0
1,108 km · ~1h 55m est.
dep bank 05:30–19:507x weekly
Running clean · 1 airline · 7x weekly · nonstop
78 / 100

route health from live HOU and STL delay boards

Median arrival delay is +5 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+5 minacross the last 4 operated legs
Flight time~1h 55mestimated from route distance
Weekly departures7x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Southwest AirlinesWN

Flights WN2164 05:30 Mo Th Fr · WN2019 varies daily · WN2303 varies Mo Th Fr · WN2022 varies Tu We Sa Su

History

operated legs · board outcomes
09-07WN2019departed+0
09-07WN2144departed+39
09-07WN2164departed−7
09-07WN3204departed+5

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
HOUHouston +33 min heavy 🌤 few clouds · WNW 3 kt Full HOU delay board →
STLSt Louis +0 min smooth 🌤 clear · ESE 5 kt Full STL delay board →

Weather lens

Current conditions put the pressure at STL: 42% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Houston to St Louis route actually runs

Pro Flight Search records official board updates for nonstop HOU to STL flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Houston (HOU) to St Louis (STL) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/HOU-STL
How we measure this →

HOU to STL questions

Is HOU–STL running on time right now?

Mostly on schedule. The departure side at HOU is the weaker end, route health score 78/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on HOU–STL?

Operators schedule morning departures around 05:30 and evening departures around 17:55 from HOU. Earlier flights typically land before destination-airport delays accumulate later in the day; check the STL delay card to confirm conditions when you'd arrive.

How long is the flight from HOU to STL?

Great-circle distance is 1,108 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 108–125 min gate-to-gate on this route.

How often does HOU–STL fly?

Southwest Airlines runs the route with about 31 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.