UA3909 TampaTPA ChicagoORD
UA3909 by United Airlines flies from Tampa (TPA) to Chicago (ORD).
scheduled from TPA
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by ORD (Chicago), currently flying MVFR (marginal visual). 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 Chicago flights today
same route · United AirlinesIf UA3909 is cancelled, these are the other United Airlines nonstop flights from Tampa to Chicago 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 UA3909 actually runs
Pro Flight Search has tracked every published board update for UA3909 across the TPA and ORD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at TPA and ORD.
The verdict above is that record speaking, so it reflects how UA3909 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA3909? 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 — UA3909 Tampa to Chicago on-time performance, measured from the TPA and ORD airport boards.
https://proflightsearch.com/flight/UA3909
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