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AS 12 Seattle to San Jose Flight Status

Alaska Airlines Flight AS12 from Seattle Tacoma International Airport SEA to San Jose International Airport SJC is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on February 10th, 2026.
Check the table below for AS12's most recent flight history:

AS 12 Flight Status & Schedule

Date Departure Arrival Status
Feb 10 10:04 11:51
Landed
Track >
Feb 08 09:55 11:43
Landed
Track >
Feb 07 10:23 12:09
Landed
Track >
Feb 06 10:03 11:48
Landed
Track >

Alaska Airlines AS 12 Seattle to San Jose Flight Information

Alaska Airlines Flight AS12 connects Seattle, United States to San Jose, United States, taking off from Seattle Tacoma International Airport SEA and landing at San Jose International Airport SJC.

How long is the AS12 flight from Seattle to San Jose?

The average flight time from Seattle to San Jose is 1 hour and 46 minutes. The flight distance is 1122 km / 697 miles and the average flight speed is 632 km/h / 393 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS12 Seattle to San Jose?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS12 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS12 arriving at?

Flight AS12 arrives at San Jose International Airport (SJC) Terminal B.

When was the latest AS12 flight?

The latest flight took off on Tuesday, February 10th, 2026 with the flight status being Landed on 11:51.

How else can the flight AS12 be referenced as?

This Alaska Airlines flight can also be referenced as ASA12, ASA012, AS012, AS0012, AS 12, ASA 12.

How often is flight AS12 delayed?

On average, 25% of all AS12 flights are delayed. The average delay is 2 minutes.

Can I get compensation for my delayed or cancelled AS12 flight or baggage issues?

If your AS12 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our AS12 Flight Tracker above for more details.

AS12 and Seattle SEA to San Jose SJC Flights

Flight AS12 is code-shared by 2 airlines using the flight numbers HA7886, TN2343

Other flights departing from Seattle SEA: AS3035, AS152, WN862, DL2505

Other flights arriving at San Jose SJC: WN2695, WN961, AA1368, WN2741

All flights connecting Seattle SEA to San Jose SJC.

AS12 Alaska Airlines Flight: Seattle to San Jose Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.