AS 4256 San Jose to Phoenix Flight Status

Alaska Airlines Flight AS4256 from San Jose International Airport SJC to Phoenix Sky Harbor International Airport PHX is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on February 11th, 2026.
Check the table below for AS4256's most recent flight history:

AS 4256 Flight Status & Schedule

Date Departure Arrival Status
Feb 11 10:04 12:32
Landed
Track >
Feb 08 09:56 12:29
Landed
Track >
Feb 06 10:03 12:34
Landed
Track >
Feb 04 10:01 12:41
Landed
Track >
Feb 03 10:01 12:35
Landed
Track >

Alaska Airlines AS 4256 San Jose to Phoenix Flight Information

Alaska Airlines Flight AS4256 connects San Jose, United States to Phoenix, United States, taking off from San Jose International Airport SJC and landing at Phoenix Sky Harbor International Airport PHX.

How long is the AS4256 flight from San Jose to Phoenix?

The average flight time from San Jose to Phoenix is 1 hour and 31 minutes. The flight distance is 999 km / 621 miles and the average flight speed is 658 km/h / 409 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4256 San Jose to Phoenix?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4256 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS4256 arriving at?

Flight AS4256 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.

When was the latest AS4256 flight?

The latest flight took off on Wednesday, February 11th, 2026 with the flight status being Landed on 12:32.

How else can the flight AS4256 be referenced as?

This Alaska Airlines flight can also be referenced as ASA4256, AS 4256, ASA 4256.

How often is flight AS4256 delayed?

On average, 0% of all AS4256 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled AS4256 flight or baggage issues?

If your AS4256 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 AS4256 Flight Tracker above for more details.

AS4256 and San Jose SJC to Phoenix PHX Flights

Other flights departing from San Jose SJC: AA3838, WN2373, OO3333, AS3333

Other flights arriving at Phoenix PHX: AA2184, AA3838, AA921, DL4919

All flights connecting San Jose SJC to Phoenix PHX.

AS4256 Alaska Airlines Flight: San Jose to Phoenix 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.