UA4001 HoustonIAH · 11:55 MidlandMAF
UA4001 by United Airlines flies from Houston (IAH) to Midland (MAF) for the Wed, Aug 19 departure.
en route from IAH to MAF
board checked 17m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 11:48.
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 boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Houston to Midland flights today
same route · United AirlinesIf UA4001 is cancelled, these are the other United Airlines nonstop flights from Houston to Midland on the same day, with scheduled departure times in IAH local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA4001 actually runs
Pro Flight Search has tracked every published board update for UA4001 across the IAH and MAF boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: departed -7 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA4001 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 IAH and MAF published them.
Planning around UA4001? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — UA4001 Houston to Midland on-time performance, measured from the IAH and MAF airport boards.
https://proflightsearch.com/flight/UA4001
.