HOU → SATHouston to San Antonio

live

Direct flights from Houston (HOU) to San Antonio (SAT): 7 nonstop departures observed each week across 1 airline. The median arrival is 4 minutes late. No cancellations were recorded across the 4 tracked flights. The nonstop covers 309 km, an estimated 54 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and San Antonio. Updated 9 September 2026 at 04:25 UTC.

HOU Houston busy · +24
SAT San Antonio smooth · +0
309 km · ~0h 54m est.
dep bank 05:00–20:557x weekly
Running clean · 1 airline · 7x weekly · nonstop
84 / 100

route health from live HOU and SAT delay boards

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

Median arrival+4 minacross the last 4 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 WN8500 05:00 Mo Su · WN3733 08:10 Fr Sa · WN165 10:05 Mo Th Fr · WN813 11:20 Tu We

History

operated legs · board outcomes
09-08WN3599departed+19
09-08WN4589departed−4
09-08WN813departed+3
09-07WN1581departed+4

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 +24 min busy 🌤 few clouds · SSE 5 kt Full HOU delay board →
SATSan Antonio +0 min smooth 🌤 few clouds · SSE 11 kt Full SAT delay board →

Weather lens

Current conditions put the pressure at HOU and SAT: 39% 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 San Antonio route actually runs

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

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

HOU to SAT questions

Is HOU–SAT running on time right now?

Smooth skies ahead. The departure side at HOU is the weaker end, route health score 84/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on HOU–SAT?

Operators schedule morning departures around 05:00 and evening departures around 20:40 from HOU. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SAT delay card to confirm conditions when you'd arrive.

How long is the flight from HOU to SAT?

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 HOU–SAT fly?

Southwest Airlines runs the route with about 25 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.