IAH → SATHouston to San Antonio

live

Direct flights from Houston (IAH) to San Antonio (SAT): 56 nonstop departures observed each week across 1 airline. No cancellations were recorded across the 5 tracked flights. The nonstop covers 306 km, an estimated 54 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and San Antonio. Updated 1 November 2026 at 19:52 UTC.

Today, IAH → SAT

Sun 1 Nov · local times
  1. 07:20 UA2250UNITED Left 07:18 SAT 02:29In the air · scheduled landing
  2. 09:35 UA1371UNITED Left 09:44 +9 ·
  3. 12:05 UA341UNITED Left 11:59 Landed 07:16
  4. 14:30 UA697UNITED On scheduleGate C5 · TC SAT est. 09:29sched 09:38
  5. 16:55 UA6161UNITED On scheduleGate B41 · TC SAT 12:05scheduled
  6. 18:05 UA1477UNITED On scheduleGate C43 · TC ·
  7. 20:15 UA1794UNITED On scheduleGate C31 · TC SAT 15:26scheduled
  8. 21:45 UA2198UNITED On scheduleGate E16 · TC SAT 16:51scheduled

Checked IAH board 13:23 · SAT board 13:52

IAH Houston smooth · +0
SAT San Antonio busy · +15
306 km · ~0h 54m est.
dep bank 07:20–21:4556x weekly
Running clean · 1 airline · 56x weekly · nonstop
90 / 100

route health from live IAH and SAT delay boards

0 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Flight time~0h 54mestimated from route distance
Weekly departures56x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
United 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
United AirlinesUA

Flights UA2250 varies daily · UA1371 09:35 daily · UA341 12:05 daily · UA697 14:30 daily

History

operated legs · board outcomes
11-01UA1371departed+9
11-01UA2250departed−2
11-01UA341departed−6
10-31UA1186departed−1
10-31UA1477departed−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
IAHHouston +0 min smooth 🌤 scattered clouds · N 5 kt Full IAH delay board →
SATSan Antonio +15 min busy 🌤 overcast · 4 kt Full SAT delay board →

Weather lens

Conditions are tightest at SAT: a 28% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +4 min. Both figures come from the two airports' delay records in similar weather. 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 IAH 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 (IAH) to San Antonio (SAT) route reliability, measured from operated flights on official airport boards.

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

IAH to SAT questions

Is IAH–SAT running on time right now?

Smooth skies ahead. The arrival side at SAT is the weaker end, route health score 90/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IAH–SAT?

Operators schedule morning departures around 09:35 and evening departures around 20:15 from IAH. 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 IAH to SAT?

Great-circle distance is 306 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 IAH–SAT fly?

United Airlines runs the route with about 56 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.