AS 423 Seattle to Phoenix Flight Status

Alaska Airlines Flight AS423 from Seattle Tacoma International Airport SEA to Phoenix Sky Harbor International Airport PHX is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on April 21st, 2026.
Check the table below for AS423's most recent flight history:

AS 423 Flight Status & Schedule

Date Departure Arrival Status
Apr 21 13:15 15:56
Landed
Track >
Apr 20 16:05 18:33
Delayed
Track >
Apr 19 13:13 15:48
Landed
Track >
Apr 18 13:07 15:28
Landed
Track >
Apr 17 13:21 15:37
Landed
Track >

Alaska Airlines AS 423 Seattle to Phoenix Flight Information

Alaska Airlines Flight AS423 connects Seattle, United States to Phoenix, United States, taking off from Seattle Tacoma International Airport SEA and landing at Phoenix Sky Harbor International Airport PHX.

How long is the AS423 flight from Seattle to Phoenix?

The average flight time from Seattle to Phoenix is 2 hours and 26 minutes. The flight distance is 1782 km / 1107 miles and the average flight speed is 734 km/h / 456 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS423 Seattle to Phoenix?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS423 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS423 arriving at?

Flight AS423 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 3.

When was the latest AS423 flight?

The latest flight took off on Tuesday, April 21st, 2026 with the flight status being Landed on 15:56.

How else can the flight AS423 be referenced as?

This Alaska Airlines flight can also be referenced as ASA423, AS0423, AS 423, ASA 423.

How often is flight AS423 delayed?

On average, 30% of all AS423 flights are delayed. The average delay is 90 minutes.

Can I get compensation for my delayed or cancelled AS423 flight or baggage issues?

If your AS423 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 AS423 Flight Tracker above for more details.

AS423 and Seattle SEA to Phoenix PHX Flights

Flight AS423 is code-shared by 2 airlines using the flight numbers HA6384, KE6225

Other flights departing from Seattle SEA: UA1206, AS288, AS429, AS518

Other flights arriving at Phoenix PHX: AS2298, AA4226, AC1054, AN1

All flights connecting Seattle SEA to Phoenix PHX.

AS423 Alaska Airlines Flight: Seattle 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.