AS 664 Seattle to Missoula Flight Status

Alaska Airlines Flight AS664 from Seattle Tacoma International Airport SEA to Missoula International Airport MSO is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on April 20th, 2026.
Check the table below for AS664's most recent flight history:

AS 664 Flight Status & Schedule

Date Departure Arrival Status
Apr 20 21:36 23:31
Landed
Track >
Apr 19 21:43 23:39
Landed
Track >
Apr 18 21:38 23:34
Landed
Track >
Apr 17 21:42 23:47
Landed
Track >
Apr 16 22:01 23:58
Landed
Track >

Alaska Airlines AS 664 Seattle to Missoula Flight Information

Alaska Airlines Flight AS664 connects Seattle, United States to Missoula, United States, taking off from Seattle Tacoma International Airport SEA and landing at Missoula International Airport MSO.

How long is the AS664 flight from Seattle to Missoula?

The average flight time from Seattle to Missoula is 57 minutes. The flight distance is 624 km / 388 miles and the average flight speed is 653 km/h / 406 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS664 Seattle to Missoula?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS664 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest AS664 flight?

The latest flight took off on Tuesday, April 21st, 2026 with the flight status being Landed on 23:31.

How else can the flight AS664 be referenced as?

This Alaska Airlines flight can also be referenced as ASA664, AS0664, AS 664, ASA 664.

How often is flight AS664 delayed?

On average, 30% of all AS664 flights are delayed. The average delay is 6 minutes.

Can I get compensation for my delayed or cancelled AS664 flight or baggage issues?

If your AS664 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 AS664 Flight Tracker above for more details.

AS664 and Seattle SEA to Missoula MSO Flights

Flight AS664 is code-shared by 3 airlines using the flight numbers BA7581, HA6793, QR3403

Other flights departing from Seattle SEA: AS1359, AS1439, AS411, AS2006

Other flights arriving at Missoula MSO: G459, 5A1598, AS3064, OO255

All flights connecting Seattle SEA to Missoula MSO.

AS664 Alaska Airlines Flight: Seattle to Missoula 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.