UA4075 St LouisSTL · 14:55 HoustonIAH · 17:19
UA4075 by United Airlines flies from St Louis (STL) to Houston (IAH) for the Thu, Nov 12 departure.
arrival expected at IAH · on schedule
board checked 12m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at STL 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 St Louis
ForecastFri 13 Nov, local date
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
ForecastFri 13 Nov, local date
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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other St Louis to Houston flights today
same route · United AirlinesIf UA4075 is cancelled, these are the other United Airlines nonstop flights from St Louis to Houston on the same day, with scheduled departure times in STL 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 UA4075 actually runs
Pro Flight Search has tracked every published board update for UA4075 across the STL and IAH boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed -15 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA4075 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 STL and IAH published them.
Planning around UA4075? 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: UA4075 St Louis to Houston on-time performance, measured from the STL and IAH airport boards.
https://proflightsearch.com/flight/UA4075
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