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 5 November 2026 at 00:45 UTC.

Today, IAH → SAT

Wed 4 Nov · local times
  1. 07:20 UA2250UNITED Left 07:09 Landed 08:29
  2. 09:35 UA1371UNITED Left 09:42 +7 Landed 10:46
  3. 12:05 UA341UNITED Left 12:00 Landed 13:16
  4. 14:30 UA697UNITED Left 14:25 Landed 15:38
  5. 16:55 UA1186UNITED Left 16:53 Landed 18:03
  6. 18:05 UA1477UNITED Sched 18:05Departure not confirmed by the board SAT est. 19:19 +9sched 19:10
  7. 20:15 UA1794UNITED On scheduleGate C35 · TC SAT est. 21:18sched 21:26
  8. 21:45 UA2198UNITED On scheduleGate E14 · TC SAT est. 22:45sched 22:51

Checked IAH board 18:22 · SAT board 18:45

IAH Houston smooth · +0
SAT San Antonio smooth · +0
306 km · ~0h 54m est.
dep bank 07:20–21:4556x weekly
Running clean · 1 airline · 56x weekly · nonstop
100 / 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 07:20 daily · UA1371 09:35 daily · UA341 12:05 daily · UA697 14:30 daily

History

operated legs · board outcomes
11-04UA1186departed−2
11-04UA1371departed+7
11-04UA341departed−5
11-04UA697departed−5
11-03UA1371departed−8

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 🌤 clear · N 0 kt Full IAH delay board →
SATSan Antonio +0 min smooth 🌤 few clouds · SE 6 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 +3 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. 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 IAH–SAT?

Operators schedule morning departures around 07:20 and evening departures around 18:05 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.