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AS4021 Flight Status Alaska Airlines: Santa Rosa to Phoenix (ASA4021)

Are you looking for the June 4th, 2026 AS 4021 Oklahoma City to Los Angeles flight? Click here to go to our AS4021 Oklahoma City to Los Angeles Flight Status page >

AS 4021 Santa Rosa to Phoenix Flight Status

Alaska Airlines Flight AS4021 from Santa Rosa Sonoma County Airport STS to Phoenix Sky Harbor International Airport PHX is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 18th, 2025.
Check the table below for AS4021's most recent flight history:

AS 4021 Flight Status & Schedule

Date Departure Arrival Status
Jun 18 16:28 18:11
Landed
 Track >
< All STS Departures All PHX Arrivals >

Alaska Airlines AS 4021 Santa Rosa to Phoenix Flight Information

Alaska Airlines Flight AS4021 connects Santa Rosa, United States to Phoenix, United States, taking off from Santa Rosa Sonoma County Airport STS and landing at Phoenix Sky Harbor International Airport PHX.

How long is the AS4021 flight from Santa Rosa to Phoenix?

The average flight time from Santa Rosa to Phoenix is 1 hour and 43 minutes. The flight distance is 1123 km / 698 miles and the average flight speed is 654 km/h / 406 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4021 Santa Rosa to Phoenix?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4021 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS4021 arriving at?

Flight AS4021 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.

When was the latest AS4021 flight?

The latest flight took off on Thursday, June 19th, 2025 with the flight status being Landed on 18:11.

How else can the flight AS4021 be referenced as?

This Alaska Airlines flight can also be referenced as ASA4021, AS 4021, ASA 4021.

How often is flight AS4021 delayed?

On average, 0% of all AS4021 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled AS4021 flight or baggage issues?

If your AS4021 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 AS4021 Flight Tracker above for more details.

AS4021 and Santa Rosa STS to Phoenix PHX Flights

Incoming flight is AA4994 Phoenix PHX to Santa Rosa STS.

This is a multi leg flight of Alaska Airlines AS4021. Previous leg is Phoenix to Santa Rosa

Other flights departing from Santa Rosa STS: AA4994

Other flights arriving at Phoenix PHX: UA2107, UA2682, AA4994, AA2444

All flights connecting Santa Rosa STS to Phoenix PHX.

AS4021 Alaska Airlines Flight: Santa Rosa to Phoenix Route Map

AS4021 Alaska Airlines Flight Map: Santa Rosa to Phoenix
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: A25600 QQ6331 HN152 WN4909 ZP2860 UP712 N42268 NO4552 6K7022 6Q2844
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.