UA4871 WashingtonIAD · 17:30 RochesterROC · 19:02
UA4871 by United Airlines flies from Washington (IAD) to Rochester (ROC) for the Thu, Oct 15 departure.
arrived at ROC · 16 min late
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at IAD 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 Washington to Rochester flights today
same route · United AirlinesIf UA4871 is cancelled, these are the other United Airlines nonstop flights from Washington to Rochester on the same day, with scheduled departure times in IAD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA4871 actually runs
Pro Flight Search has tracked every published board update for UA4871 across the IAD and ROC boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +16 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA4871 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: N17196.
Board clocks recorded as IAD and ROC published them.
Planning around UA4871? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4871 Washington to Rochester on-time performance, measured from the IAD and ROC airport boards.
https://proflightsearch.com/flight/UA4871
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