UA4277 PueblaPBC HoustonIAH · 15:46
UA4277 by United Airlines flies from Puebla (PBC) to Houston (IAH) for the Sat, Sep 19 departure.
arrival expected at IAH · on schedule
board checked 47m 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 boardsHow UA4277 actually runs
Pro Flight Search has tracked every published board update for UA4277 across the PBC and IAH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed -20 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA4277 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 PBC and IAH published them.
Planning around UA4277? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4277 Puebla to Houston on-time performance, measured from the PBC and IAH airport boards.
https://proflightsearch.com/flight/UA4277
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