UA3797United Airlines · SFO → SDF
live · 6m ago
Route confirmed United Airlines

UA3797 San FranciscoSFO · 14:45 LouisvilleSDF · 21:36

UA3797 by United Airlines flies from San Francisco (SFO) to Louisville (SDF).

Right nowNext departure tomorrow Operates Thu Sat
20:15

scheduled from SFO

The route today

live boards
SFOSan FranciscoOn-time likelySFO delay board →
SDFLouisvilleHigh riskSDF delay board →
SFO→SDFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
0.7%Chance of cancellation
+10 minTypical airport delay in this weather

Conditions at SFO and SDF 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 San Francisco

Forecast

Sat 7 Nov, local date

High21°Clikely 19°C to 23°C
Low12°Clikely 11°C to 14°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 Louisville

Forecast

Sat 7 Nov, local date

High12°Clikely 11°C to 14°C
Low4°Clikely 3°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.

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.

How UA3797 actually runs

Pro Flight Search has tracked every published board update for UA3797 across the SFO and SDF boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 1 completed leg so far: landed +243 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA3797 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-29SFO 14:45 16:15 (+90)SDF 21:36 01:35 (+239)

Aircraft

Recent tails: N57863.

Board clocks recorded as SFO and SDF published them.

Planning around UA3797? 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: UA3797 San Francisco to Louisville on-time performance, measured from the SFO and SDF airport boards.

Canonical URL
https://proflightsearch.com/flight/UA3797
How we measure this →