UA4789 HoustonIAH NashvilleBNA
UA4789 by United Airlines flies from Houston (IAH) to Nashville (BNA).
scheduled from IAH
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at IAH and BNA 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 Houston to Nashville flights today
same route · United AirlinesIf UA4789 is cancelled, these are the other United Airlines nonstop flights from Houston to Nashville 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 UA4789 actually runs
Pro Flight Search has tracked every published board update for UA4789 across the IAH and BNA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at IAH and BNA.
The verdict above is that record speaking, so it reflects how UA4789 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA4789? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4789 Houston to Nashville on-time performance, measured from the IAH and BNA airport boards.
https://proflightsearch.com/flight/UA4789
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