SAT → HOUSan Antonio to Houston

live

Direct flights from San Antonio (SAT) to Houston (HOU): 7 nonstop departures observed each week across 1 airline. The median arrival is 6 minutes late. No cancellations were recorded across the 2 tracked flights. The nonstop covers 309 km, an estimated 54 minutes in the air. Measured by Pro Flight Search from live flight boards at San Antonio and Houston. Updated 14 September 2026 at 06:24 UTC.

SAT San Antonio smooth · +0
HOU Houston smooth · +2
309 km · ~0h 54m est.
dep bank 01:00–13:507x weekly
Running clean · 1 airline · 7x weekly · nonstop
100 / 100

route health from live SAT and HOU delay boards

Median arrival delay is +6 min. 0 of 2 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+6 minacross the last 2 operated legs
Flight time~0h 54mestimated 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 WN3188 varies daily · WN342 03:35 Sa · WN3498 varies Su · WN4547 07:55 Tu We

History

operated legs · board outcomes
09-13WN3188arrived−1
09-13WN3498arrived+6

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
SATSan Antonio +0 min smooth ⛅ mostly cloudy · SE 10 kt Full SAT delay board →
HOUHouston +2 min smooth 🌤 few clouds · SSE 6 kt Full HOU delay board →

Weather lens

Current conditions put the pressure at HOU: 32% odds of a 15+ minute delay and around +5 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the San Antonio to Houston route actually runs

Pro Flight Search records official board updates for nonstop SAT to HOU 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 — San Antonio (SAT) to Houston (HOU) route reliability, measured from operated flights on official airport boards.

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

SAT to HOU questions

Is SAT–HOU running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SAT–HOU?

Operators schedule morning departures around 03:35 from SAT. Earlier flights typically land before destination-airport delays accumulate later in the day; check the HOU delay card to confirm conditions when you'd arrive.

How long is the flight from SAT to HOU?

Great-circle distance is 309 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 52–56 min gate-to-gate on this route.

How often does SAT–HOU fly?

Southwest Airlines runs the route with about 20 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.