UA6172 MemphisMEM · 18:59 HoustonIAH · 20:55
UA6172 by United Airlines flies from Memphis (MEM) to Houston (IAH) for the Mon, Sep 7 departure.
en route from MEM to IAH
board checked 34m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 19:12.
Where the minutes go
last 4 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 boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MEM 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 Memphis to Houston flights today
same route · United AirlinesIf UA6172 is cancelled, these are the other United Airlines nonstop flights from Memphis to Houston on the same day, with scheduled departure times in MEM local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA6172 actually runs
Pro Flight Search has tracked every published board update for UA6172 across the MEM and IAH boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 3/4 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how UA6172 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: N88330.
Board clocks recorded as MEM and IAH published them.
Planning around UA6172? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA6172 Memphis to Houston on-time performance, measured from the MEM and IAH airport boards.
https://proflightsearch.com/flight/UA6172