UA1239 ChicagoORD · 13:55 RochesterROC · 16:44
UA1239 by United Airlines flies from Chicago (ORD) to Rochester (ROC) for the Sun, Sep 20 departure.
arrived at ROC · on schedule
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at ORD and ROC 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Rochester flights today
same route · United AirlinesIf UA1239 is cancelled, these are the other United Airlines nonstop flights from Chicago to Rochester 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 UA1239 actually runs
Pro Flight Search has tracked every published board update for UA1239 across the ORD and ROC boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left heavily delayed (~174 min) but landed right on schedule. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA1239 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as ORD and ROC published them.
Planning around UA1239? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA1239 Chicago to Rochester on-time performance, measured from the ORD and ROC airport boards.
https://proflightsearch.com/flight/UA1239
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