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AS 404 San Antonio to Seattle Flight Status

Alaska Airlines Flight AS404 from San Antonio International Airport SAT to Seattle Tacoma International Airport SEA is not scheduled for today June 21st, 2026.
The last time the flight was scheduled was on October 24th, 2025.
Check the table below for AS404's most recent flight history:

AS 404 Flight Status & Schedule

Date Departure Arrival Status
Oct 24 20:01 22:22
Landed
Track >
Oct 23 19:56 22:30
Cancelled
Track >
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Oct 22 20:01 21:56
Landed
Track >
Oct 21 19:50 21:56
Landed
Track >
Oct 20 19:46 21:56
Landed
Track >

Alaska Airlines AS 404 San Antonio to Seattle Flight Information

Alaska Airlines Flight AS404 connects San Antonio, United States to Seattle, United States, taking off from San Antonio International Airport SAT and landing at Seattle Tacoma International Airport SEA.

How long is the AS404 flight from San Antonio to Seattle?

The average flight time from San Antonio to Seattle is 4 hours. The flight distance is 2854 km / 1773 miles and the average flight speed is 705 km/h / 438 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS404 San Antonio to Seattle?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS404 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest AS404 flight?

The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 22:22.

How else can the flight AS404 be referenced as?

This Alaska Airlines flight can also be referenced as ASA404, AS0404, AS 404, ASA 404.

How often is flight AS404 delayed?

On average, 10% of all AS404 flights are delayed. The average delay is 105 minutes.

Can I get compensation for my delayed or cancelled AS404 flight or baggage issues?

If your AS404 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 AS404 Flight Tracker above for more details.

AS404 and San Antonio SAT to Seattle SEA Flights

Flight AS404 is code-shared by 2 airlines using the flight numbers HA6517, TN2765

Other flights departing from San Antonio SAT: NK2209, UA4009, WN3330, WN2824

Other flights arriving at Seattle SEA: AS1052, AS403, AS1399, WN4277

All flights connecting San Antonio SAT to Seattle SEA.

AS404 Alaska Airlines Flight: San Antonio to Seattle Route Map

AS404 Alaska Airlines Flight Map: San Antonio to Seattle
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.