AS3439Alaska Airlines · SAN → SMF
live · 11m ago
Route confirmed Alaska Airlines

AS3439 San DiegoSAN SacramentoSMF

AS3439 by Alaska Airlines flies from San Diego (SAN) to Sacramento (SMF).

Right nowNext departure today Operates daily
12:52

scheduled from SAN

The route today

live boards
SANSan DiegoOn-time likelySAN delay board →
SMFSacramentoOn-time likelySMF delay board →
SAN→SMFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
54%Chance of 15+ min delay
0.7%Chance of cancellation
+16 minTypical airport delay in this weather

Conditions at SAN and SMF 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 Diego

Forecast

Wed 11 Nov, local date

High26°Clikely 24°C to 28°C
Low16°Clikely 15°C to 18°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 Sacramento

Forecast

Wed 11 Nov, local date

High22°Clikely 20°C to 24°C
Low7°Clikely 6°C to 9°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 Diego to Sacramento flights today

same route · Alaska Airlines
AS3330departs 08:06
AS3252departs 08:50
AS2479departs 10:05
AS1434departs 10:54
AS3035departs 12:10
AS3360departs 12:20

If AS3439 is cancelled, these are the other Alaska Airlines nonstop flights from San Diego to Sacramento on the same day, with scheduled departure times in SAN 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 AS3439 actually runs

Pro Flight Search has tracked every published board update for AS3439 across the SAN and SMF boards: schedule changes, gate pushes and actual clocks. Combined risk score: 3.7/100. Based on airport operations, weather, and cached board history at SAN and SMF.

The verdict above is that record speaking, so it reflects how AS3439 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around AS3439? 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: AS3439 San Diego to Sacramento on-time performance, measured from the SAN and SMF airport boards.

Canonical URL
https://proflightsearch.com/flight/AS3439
How we measure this →