AS 6303 Miami to Phoenix Flight Status

Alaska Airlines Flight AS6303 from Miami International Airport MIA to Phoenix Sky Harbor International Airport PHX is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on December 15th, 2025.
Check the table below for AS6303's most recent flight history:

AS 6303 Flight Status & Schedule

Date Departure Arrival Status
Dec 15 19:35 21:52
Delayed
Track >
Dec 14 18:40 20:56
Landed Late
Track >
Dec 11 17:42 19:56
Landed
Track >
Dec 08 18:25 20:38
Landed
Track >

Alaska Airlines AS 6303 Miami to Phoenix Flight Information

Alaska Airlines Flight AS6303 connects Miami, United States to Phoenix, United States, taking off from Miami International Airport MIA and landing at Phoenix Sky Harbor International Airport PHX.

How long is the AS6303 flight from Miami to Phoenix?

The average flight time from Miami to Phoenix is 4 hours and 15 minutes. The flight distance is 3168 km / 1969 miles and the average flight speed is 745 km/h / 463 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS6303 Miami to Phoenix?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS6303 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS6303 arriving at?

Flight AS6303 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.

When was the latest AS6303 flight?

The latest flight took off on Tuesday, December 16th, 2025 with the flight status being En-Route on 21:52.

How else can the flight AS6303 be referenced as?

This Alaska Airlines flight can also be referenced as ASA6303, AS 6303, ASA 6303.

How often is flight AS6303 delayed?

On average, 75% of all AS6303 flights are delayed. The average delay is 37 minutes.

Can I get compensation for my delayed or cancelled AS6303 flight or baggage issues?

If your AS6303 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 AS6303 Flight Tracker above for more details.

AS6303 and Miami MIA to Phoenix PHX Flights

Other flights departing from Miami MIA: AA2365, AA2811, DL1768, AA1501

Other flights arriving at Phoenix PHX: AA2254, AA2365, AA959, WN2998

All flights connecting Miami MIA to Phoenix PHX.

AS6303 Alaska Airlines Flight: Miami 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.