Direct flights from Houston (HOU) to St Louis (STL): 7 nonstop departures observed each week across 1 airline. The median arrival is 17 minutes late. No cancellations were recorded across the 2 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 18 October 2026 at 11:54 UTC.
The HOU board at 06:54 shows departure at 07:54 instead of 07:30, gate 46.
Checked HOU board 06:54 · STL board 06:18
route health from live HOU and STL delay boards
Median arrival delay is +17 min. 0 of 2 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Current conditions put the pressure at HOU and STL: 43% 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 →
next sweep in 120s
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
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Pro Flight Search — Houston (HOU) to St Louis (STL) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/HOU-STL
Smooth skies ahead. The arrival side at STL is the weaker end, route health score 91/100. The airports section above carries the live status and delay window at both ends.
Operators schedule morning departures around 07:30 and evening departures around 17:05 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.
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.
Southwest Airlines runs the route with about 32 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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