UA4053United Airlines · SAT → IAH
live · 19m ago
Route confirmed United Airlines

UA4053 San AntonioSAT HoustonIAH

UA4053 by United Airlines flies from San Antonio (SAT) to Houston (IAH).

Right nowNext departure today Operates daily
11:31

scheduled from SAT

The route today

live boards
SATSan AntonioOn-time likelySAT delay board →
IAHHoustonOn-time likelyIAH delay board →
SAT→IAHevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
27%Chance of 15+ min delay
1.1%Chance of cancellation
+3 minTypical airport delay in this weather

Conditions 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 at SAT

Forecast

Fri 13 Nov, local date

High25°Clikely 23°C to 27°C
Low11°Clikely 10°C to 13°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Houston

Forecast

Fri 13 Nov, local date

High25°Clikely 23°C to 26°C
Low11°Clikely 9°C to 12°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other San Antonio to Houston flights today

same route · United Airlines
UA469departs 00:30
UA2469departs 01:35
UA593departs 03:35
UA3856departs 05:30
UA1282departs 05:45
UA3226departs 07:15

If 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. Combined risk score: 7.3/100. Based on airport operations, weather, and cached board history at SAT and IAH.

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.

Planning around UA4053? 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: UA4053 San Antonio to Houston on-time performance, measured from the SAT and IAH airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4053
How we measure this →