UA2421 TampaTPA HoustonIAH
UA2421 by United Airlines flies from Tampa (TPA) to Houston (IAH).
scheduled from TPA
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at TPA 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 Tampa to Houston flights today
same route · United AirlinesIf UA2421 is cancelled, these are the other United Airlines nonstop flights from Tampa to Houston on the same day, with scheduled departure times in TPA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA2421 actually runs
Pro Flight Search has tracked every published board update for UA2421 across the TPA and IAH boards: schedule changes, gate pushes and actual clocks. Combined risk score: 59.2/100. Based on airport operations, weather, and cached board history at TPA and IAH.
The verdict above is that record speaking, so it reflects how UA2421 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA2421? 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 — UA2421 Tampa to Houston on-time performance, measured from the TPA and IAH airport boards.
https://proflightsearch.com/flight/UA2421
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