DL4451Delta Air Lines · LAX → SJC
live · 24m ago
Route confirmed Delta Air Lines

DL4451 Los AngelesLAX San JoseSJC

DL4451 by Delta Air Lines flies from Los Angeles (LAX) to San Jose (SJC).

Right nowNext departure today Operates daily
07:55

scheduled from LAX

The route today

live boards
LAXLos AngelesModerate riskLAX delay board →
SJCSan JoseHigh riskSJC delay board →
LAX→SJCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
43%Chance of 15+ min delay
1.0%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at LAX and SJC 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 Los Angeles

Forecast

Mon 16 Nov, local date

High21°Clikely 20°C to 22°C
Low15°Clikely 14°C to 17°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 Jose

Forecast

Mon 16 Nov, local date

High16°Clikely 14°C to 18°C
Low10°Clikely 8°C to 12°C
  • 83% chance of rain

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 Los Angeles to San Jose flights today

same route · Delta Air Lines
DL3856departs 07:35
DL2621departs 09:24
DL2028departs 09:30
DL2965departs 09:30
DL3794departs 12:55
DL3730departs 12:59

If DL4451 is cancelled, these are the other Delta Air Lines nonstop flights from Los Angeles to San Jose on the same day, with scheduled departure times in LAX 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 DL4451 actually runs

Pro Flight Search has tracked every published board update for DL4451 across the LAX and SJC boards: schedule changes, gate pushes and actual clocks. Combined risk score: 61.6/100. Based on airport operations, weather, and cached board history at LAX and SJC.

The verdict above is that record speaking, so it reflects how DL4451 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: DL4451 Los Angeles to San Jose on-time performance, measured from the LAX and SJC airport boards.

Canonical URL
https://proflightsearch.com/flight/DL4451
How we measure this →