UA1903 Guatemala CityGUA HoustonIAH · 16:29
UA1903 by United Airlines flies from Guatemala City (GUA) to Houston (IAH) for the Fri, Sep 11 departure.
arrival expected at IAH · on schedule
board checked 22m 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 UA1903 actually runs
Pro Flight Search has tracked every published board update for UA1903 across the GUA and IAH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed +7 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA1903 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 GUA and IAH published them.
Planning around UA1903? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA1903 Guatemala City to Houston on-time performance, measured from the GUA and IAH airport boards.
https://proflightsearch.com/flight/UA1903
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