UA4053 San AntonioSAT · 14:25 HoustonIAH · 20:35
UA4053 by United Airlines flies from San Antonio (SAT) to Houston (IAH).
scheduled from SAT
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SAT and IAH are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow on this route
ForecastSan Antonio to Houston with United Airlines · Mon 2 Nov, local date
- Chance a departure leaves 60+ min late
- 5.2%0.8× usual
Forecast weather: 65% chance of fog at Houston
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 3 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Antonio to Houston flights today
same route · United AirlinesIf UA4053 is cancelled, these are the other United Airlines nonstop flights from San Antonio to Houston on the same day, with scheduled departure times in SAT local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How UA4053 actually runs
Pro Flight Search has tracked every published board update for UA4053 across the SAT and IAH boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed +110 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA4053 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as SAT and IAH published them.
Planning around UA4053? 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: UA4053 San Antonio to Houston on-time performance, measured from the SAT and IAH airport boards.
https://proflightsearch.com/flight/UA4053
.