UA5531 Oklahoma CityOKC · 13:38 HoustonIAH · 15:19
UA5531 by United Airlines flies from Oklahoma City (OKC) to Houston (IAH) for the Mon, Sep 21 departure.
arrived at IAH · 25 min late
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 boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at OKC 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 Oklahoma City to Houston flights today
same route · United AirlinesIf UA5531 is cancelled, these are the other United Airlines nonstop flights from Oklahoma City to Houston on the same day, with scheduled departure times in OKC local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA5531 actually runs
Pro Flight Search has tracked every published board update for UA5531 across the OKC and IAH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left heavily delayed (~46 min) but landed right on schedule. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA5531 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: N207SY.
Board clocks recorded as OKC and IAH published them.
Planning around UA5531? 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 — UA5531 Oklahoma City to Houston on-time performance, measured from the OKC and IAH airport boards.
https://proflightsearch.com/flight/UA5531
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