UA2166United Airlines · DCA → SFO
live · 51m ago
Route confirmed United Airlines

UA2166 WashingtonDCA San FranciscoSFO

UA2166 by United Airlines flies from Washington (DCA) to San Francisco (SFO).

Right nowNext departure today Operates daily
18:00

scheduled from DCA

The route today

live boards
DCAWashingtonOn-time likelyDCA delay board →
SFOSan FranciscoOn-time likelySFO delay board →
DCA→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
1.7%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at DCA and SFO are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow at DCA

Forecast

Thu 12 Nov, local date

High19°Clikely 16°C to 21°C
Low10°Clikely 7°C to 12°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at SFO

Forecast

Thu 12 Nov, local date

High20°Clikely 19°C to 22°C
Low13°Clikely 11°C to 15°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Washington to San Francisco flights today

same route · United Airlines
UA369departs 07:45
UA368departs 17:49

If UA2166 is cancelled, these are the other United Airlines nonstop flights from Washington to San Francisco on the same day, with scheduled departure times in DCA local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How UA2166 actually runs

Pro Flight Search has tracked every published board update for UA2166 across the DCA and SFO boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at DCA and SFO.

The verdict above is that record speaking, so it reflects how UA2166 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA2166? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: UA2166 Washington to San Francisco on-time performance, measured from the DCA and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/UA2166
How we measure this →