AS 309 San Jose to Seattle Flight Status

Alaska Airlines Flight AS309 from San Jose International Airport SJC to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 25th, 2025.
Check the table below for AS309's most recent flight history:

AS 309 Flight Status & Schedule

Date Departure Arrival Status
Oct 25 17:57 19:43
Landed
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Oct 24 17:59 20:14
Cancelled
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Oct 23 20:30 20:14
Unknown
Track >
Oct 22 18:05 19:54
Landed
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Oct 21 18:21 19:58
Landed
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Alaska Airlines AS 309 San Jose to Seattle Flight Information

Alaska Airlines Flight AS309 connects San Jose, United States to Seattle, United States, taking off from San Jose International Airport SJC and landing at Seattle Tacoma International Airport SEA.

How long is the AS309 flight from San Jose to Seattle?

The average flight time from San Jose to Seattle is 1 hour and 46 minutes. The flight distance is 1122 km / 697 miles and the average flight speed is 609 km/h / 378 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS309 San Jose to Seattle?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS309 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS309 arriving at?

Flight AS309 arrives at Seattle Tacoma International Airport (SEA) Terminal 4.

When was the latest AS309 flight?

The latest flight took off on Sunday, October 26th, 2025 with the flight status being Landed on 19:43.

How else can the flight AS309 be referenced as?

This Alaska Airlines flight can also be referenced as ASA309, AS0309, AS 309, ASA 309.

How often is flight AS309 delayed?

On average, 10% of all AS309 flights are delayed. The average delay is 121 minutes.

Can I get compensation for my delayed or cancelled AS309 flight or baggage issues?

If your AS309 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 AS309 Flight Tracker above for more details.

AS309 and San Jose SJC to Seattle SEA Flights

Flight AS309 is code-shared by 2 airlines using the flight numbers HA6774, TN2589

Other flights departing from San Jose SJC: AS3397, WN1578, WN2756, WN3207

Other flights arriving at Seattle SEA: HA30, AS1071, AS620, AS1065

All flights connecting San Jose SJC to Seattle SEA.

AS309 Alaska Airlines Flight: San Jose to Seattle Route Map

AS309 Alaska Airlines Flight Map: San Jose to Seattle
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.