UA4031 Des MoinesDSM · 06:15 HoustonIAH · 08:50
UA4031 by United Airlines flies from Des Moines (DSM) to Houston (IAH) for the Sat, Sep 19 departure.
departs DSM · on schedule
board checked 16m ago · checking again in 45s
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DSM and IAH are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Des Moines to Houston flights today
same route · United AirlinesIf UA4031 is cancelled, these are the other United Airlines nonstop flights from Des Moines to Houston on the same day, with scheduled departure times in DSM local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA4031 actually runs
Pro Flight Search has tracked every published board update for UA4031 across the DSM and IAH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear 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 UA4031 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 DSM and IAH published them.
Planning around UA4031? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4031 Des Moines to Houston on-time performance, measured from the DSM and IAH airport boards.
https://proflightsearch.com/flight/UA4031
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