UA8186 San FranciscoSFO · 14:50 WashingtonDCA
UA8186 by United Airlines flies from San Francisco (SFO) to Washington (DCA) for the Fri, Aug 21 departure.
en route from SFO to DCA
board checked 30m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 16:36 · typical taxi-out at SFO ≈ 13 min. No receiver coverage over open ocean.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at SFO and DCA 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 San Francisco to Washington flights today
same route · United AirlinesIf UA8186 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Washington on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA8186 actually runs
Pro Flight Search has tracked every published board update for UA8186 across the SFO and DCA boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +106 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA8186 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 SFO and DCA published them.
Planning around UA8186? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA8186 San Francisco to Washington on-time performance, measured from the SFO and DCA airport boards.
https://proflightsearch.com/flight/UA8186
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