UA428 Mexico CityMEX · 06:30 HoustonIAH · 09:51
UA428 by United Airlines flies from Mexico City (MEX) to Houston (IAH) for the Fri, Oct 23 departure.
arrival expected at IAH · on schedule
board checked 19m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MEX and IAH 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.
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 Mexico City to Houston flights today
same route · United AirlinesIf UA428 is cancelled, these are the other United Airlines nonstop flights from Mexico City to Houston on the same day, with scheduled departure times in MEX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA428 actually runs
Pro Flight Search has tracked every published board update for UA428 across the MEX and IAH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +4 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA428 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N840UA.
Board clocks recorded as MEX and IAH published them.
Planning around UA428? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA428 Mexico City to Houston on-time performance, measured from the MEX and IAH airport boards.
https://proflightsearch.com/flight/UA428
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