Flights UA2250 varies daily · UA1371 09:35 daily · UA341 12:05 daily · UA697 14:30 daily
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- 07:20 UA2250UNITED Left 07:18 SAT 02:29In the air · scheduled landing
- 09:35 UA1371UNITED Left 09:44 +9 ·
- 12:05 UA341UNITED Left 11:59 Landed 07:16
- 14:30 UA697UNITED On scheduleGate C5 · TC SAT est. 09:29sched 09:38
- 16:55 UA6161UNITED On scheduleGate B41 · TC SAT 12:05scheduled
- 18:05 UA1477UNITED On scheduleGate C43 · TC ·
- 20:15 UA1794UNITED On scheduleGate C31 · TC SAT 15:26scheduled
- 21:45 UA2198UNITED On scheduleGate E16 · TC SAT 16:51scheduled
Checked IAH board 13:23 · SAT board 13:52
route health from live IAH and SAT delay boards
0 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach 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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather 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 →
next sweep in 120s
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
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: Houston (IAH) to San Antonio (SAT) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/IAH-SAT
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.