UA3928United Airlines · ORD → SFO
live · 3m ago
Route confirmed United Airlines

UA3928 ChicagoORD San FranciscoSFO

UA3928 by United Airlines flies from Chicago (ORD) to San Francisco (SFO).

Right nowNext departure today Operates daily
23:30

scheduled from ORD

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
SFOSan FranciscoModerate riskSFO delay board →
ORD→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
1.3%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at ORD 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 Chicago

Forecast

Tue 10 Nov, local date

High17°Clikely 16°C to 18°C
Low6°Clikely 5°C to 7°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 San Francisco

Forecast

Tue 10 Nov, local date

High22°Clikely 20°C to 24°C
Low13°Clikely 12°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 Chicago to San Francisco flights today

same route · United Airlines
UA246departs 06:00
UA1116departs 07:35
UA2610departs 08:55
UA543departs 10:25
UA762departs 11:52
UA3860departs 12:30

If UA3928 is cancelled, these are the other United Airlines nonstop flights from Chicago to San Francisco on the same day, with scheduled departure times in ORD 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 UA3928 actually runs

Pro Flight Search has tracked every published board update for UA3928 across the ORD and SFO boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at ORD and SFO.

The verdict above is that record speaking, so it reflects how UA3928 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA3928? 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: UA3928 Chicago to San Francisco on-time performance, measured from the ORD and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/UA3928
How we measure this →