UA4047 HoustonIAH · 14:45 Knoxville/MaryvilleTYS
UA4047 by United Airlines flies from Houston (IAH) to Knoxville/Maryville (TYS) for the Tue, Oct 13 departure.
departs IAH · on schedule
board checked 13m 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.
Other Houston to Knoxville/Maryville flights today
same route · United AirlinesIf UA4047 is cancelled, these are the other United Airlines nonstop flights from Houston to Knoxville/Maryville 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 UA4047 actually runs
Pro Flight Search has tracked every published board update for UA4047 across the IAH and TYS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +98 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA4047 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 TYS published them.
Planning around UA4047? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4047 Houston to Knoxville/Maryville on-time performance, measured from the IAH and TYS airport boards.
https://proflightsearch.com/flight/UA4047
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