UA5218United Airlines · SMF → SFO
live · 43m ago
Route confirmed United Airlines

UA5218 SacramentoSMF San FranciscoSFO

UA5218 by United Airlines flies from Sacramento (SMF) to San Francisco (SFO).

Right nowNext departure today Operates daily
08:06

scheduled from SMF

The route today

live boards
SMFSacramentoOn-time likelySMF delay board →
SFOSan FranciscoOn-time likelySFO delay board →
SMF→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
45%Chance of 15+ min delay
0.5%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at SMF 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 SMF

Forecast

Thu 12 Nov, local date

High21°Clikely 19°C to 24°C
Low7°Clikely 5°C to 9°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 Sacramento to San Francisco flights today

same route · United Airlines
UA1623departs 06:20
UA2210departs 08:00
UA4801departs 09:59
UA5248departs 12:01
UA4678departs 13:00
UA5480departs 14:15

If UA5218 is cancelled, these are the other United Airlines nonstop flights from Sacramento to San Francisco on the same day, with scheduled departure times in SMF 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 UA5218 actually runs

Pro Flight Search has tracked every published board update for UA5218 across the SMF 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 SMF and SFO.

The verdict above is that record speaking, so it reflects how UA5218 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA5218? 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: UA5218 Sacramento to San Francisco on-time performance, measured from the SMF and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/UA5218
How we measure this →