UA4456 New YorkEWR · 16:59 RochesterROC · 18:28
UA4456 by United Airlines flies from New York (EWR) to Rochester (ROC) for the Mon, Sep 21 departure.
departs EWR · on schedule
board checked 10m ago · checking again in 45s
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by EWR (New York), 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 New York to Rochester flights today
same route · United AirlinesIf UA4456 is cancelled, these are the other United Airlines nonstop flights from New York to Rochester on the same day, with scheduled departure times in EWR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA4456 actually runs
Pro Flight Search has tracked every published board update for UA4456 across the EWR and ROC boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed -4 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA4456 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 EWR and ROC published them.
Planning around UA4456? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4456 New York to Rochester on-time performance, measured from the EWR and ROC airport boards.
https://proflightsearch.com/flight/UA4456
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