UA3704 ChicagoORD · 18:05 JacksonvilleJAX · 21:47
UA3704 by United Airlines flies from Chicago (ORD) to Jacksonville (JAX).
scheduled from ORD
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by ORD (Chicago), currently flying LIFR (low instrument). 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 Chicago to Jacksonville flights today
same route · United AirlinesIf UA3704 is cancelled, these are the other United Airlines nonstop flights from Chicago to Jacksonville on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA3704 actually runs
Pro Flight Search has tracked every published board update for UA3704 across the ORD and JAX boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed -5 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA3704 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: N769YX, N731YX.
Board clocks recorded as ORD and JAX published them.
Planning around UA3704? 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 — UA3704 Chicago to Jacksonville on-time performance, measured from the ORD and JAX airport boards.
https://proflightsearch.com/flight/UA3704
.