UA3988 HoustonIAH · 07:25 CharlotteCLT · 10:54
UA3988 by United Airlines flies from Houston (IAH) to Charlotte (CLT) for the Fri, Sep 18 departure.
arrived at CLT · on schedule
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
Early read, sample still buildingConditions at IAH and CLT 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Houston to Charlotte flights today
same route · United AirlinesIf UA3988 is cancelled, this is the other United Airlines nonstop flight from Houston to Charlotte on the same day, with scheduled departure times in IAH local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA3988 actually runs
Pro Flight Search has tracked every published board update for UA3988 across the IAH and CLT boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed +0 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA3988 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 IAH and CLT published them.
Planning around UA3988? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA3988 Houston to Charlotte on-time performance, measured from the IAH and CLT airport boards.
https://proflightsearch.com/flight/UA3988
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