UA4019 McAllenMFE HoustonIAH · 06:40
UA4019 by United Airlines flies from McAllen (MFE) to Houston (IAH) for the Mon, Oct 12 departure.
arrival expected at IAH · on schedule
board checked 16m ago · checking again in 45s
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How UA4019 actually runs
Pro Flight Search has tracked every published board update for UA4019 across the MFE and IAH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed -12 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA4019 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 MFE and IAH published them.
Planning around UA4019? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4019 McAllen to Houston on-time performance, measured from the MFE and IAH airport boards.
https://proflightsearch.com/flight/UA4019
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