UA4870 HarlingenHRL HoustonIAH · 18:55
UA4870 by United Airlines flies from Harlingen (HRL) to Houston (IAH) for the Thu, Aug 20 departure.
arrived at IAH · 30 min early
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 boardsHow UA4870 actually runs
Pro Flight Search has tracked every published board update for UA4870 across the HRL and IAH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed -32 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA4870 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 HRL and IAH published them.
Planning around UA4870? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4870 Harlingen to Houston on-time performance, measured from the HRL and IAH airport boards.
https://proflightsearch.com/flight/UA4870
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