UA3930United Airlines · SFO → ORD
live · 26m ago
Route confirmed United Airlines

UA3930 San FranciscoSFO ChicagoORD

UA3930 by United Airlines flies from San Francisco (SFO) to Chicago (ORD).

Right nowNext departure tomorrow Operates daily
17:05

scheduled from SFO

The route today

live boards
SFOSan FranciscoOn-time likelySFO delay board →
ORDChicagoOn-time likelyORD delay board →
SFO→ORDevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
49%Chance of 15+ min delay
1.7%Chance of cancellation
+15 minTypical airport delay in this weather

Driven mainly by ORD (Chicago), currently flying MVFR (marginal visual). 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 San Francisco

Forecast

Thu 5 Nov, local date

High21°Clikely 20°C to 22°C
Low12°Clikely 11°C to 13°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 Chicago

Forecast

Fri 6 Nov, local date

High9°Clikely 8°C to 11°C
Low6°Clikely 3°C to 8°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 San Francisco to Chicago flights today

same route · United Airlines
UA2847departs 00:55
UA1248departs 05:00
UA2091departs 06:35
UA1393departs 08:20
UA2827departs 10:05
UA8107departs 12:02

If UA3930 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Chicago on the same day, with scheduled departure times in SFO 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 UA3930 actually runs

Pro Flight Search has tracked every published board update for UA3930 across the SFO and ORD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at SFO and ORD.

The verdict above is that record speaking, so it reflects how UA3930 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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: UA3930 San Francisco to Chicago on-time performance, measured from the SFO and ORD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA3930
How we measure this →