UA1510United Airlines · SDF → SFO
live · 31m ago
Route confirmed United Airlines

UA1510 LouisvilleSDF · 15:24 San FranciscoSFO · 16:29

UA1510 by United Airlines flies from Louisville (SDF) to San Francisco (SFO) for the Wed, Nov 4 departure.

Same number through SDF → DEN → SFO

Right nowExpected · today · as of 15:03
15:24

departs SDF · on schedule

Typical gate push+25 minmedian posted departure

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
11-03
+24 gate
11-02
+25 gate
11-01
+41 gate
10-31
+36 gate
10-30
+14 gate

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

0 cancelled · 5 operations tracked

The route today

live boards
SDFLouisvilleOn-time likelySDF delay board →
SFOSan FranciscoOn-time likelySFO delay board →
SDF→SFOevery 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
1.2%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at SDF 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 Louisville

Forecast

Thu 5 Nov, local date

High19°Clikely 17°C to 20°C
Low11°Clikely 9°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 Denver

Forecast

Thu 5 Nov, local date

High14°Clikely 12°C to 16°C
Low1°Clikely 0°C to 3°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 Louisville to San Francisco flights today

same route · United Airlines
UA3767departs 02:00
UA1641departs 08:00
UA405departs 08:00

If UA1510 is cancelled, these are the other United Airlines nonstop flights from Louisville to San Francisco on the same day, with scheduled departure times in SDF 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 UA1510 actually runs

Pro Flight Search has tracked every published board update for UA1510 across the SDF and SFO boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min early. Based on 6 confirmed landings · 6/6 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how UA1510 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
11-03SDF 15:24 15:48 (+24)SFO
11-02SDF 15:24 15:49 (+25)SFO
11-01SDF 15:24 16:05 (+41)SFO
10-31SDF 15:24 16:00 (+36)SFO
10-30SDF 15:24 15:38 (+14)SFO

Aircraft

Recent tails: N26232, N77535, N35271, N14250.

Board clocks recorded as SDF and SFO published them.

Planning around UA1510? 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: UA1510 Louisville to San Francisco on-time performance, measured from the SDF and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1510
How we measure this →