AS 1399 Ontario to Seattle Flight Status

Alaska Airlines Flight AS1399 from Ontario International Airport ONT to Seattle Tacoma International Airport SEA is not scheduled for today June 20th, 2026.
The last time the flight was scheduled was on October 24th, 2025.
Check the table below for AS1399's most recent flight history:

AS 1399 Flight Status & Schedule

Date Departure Arrival Status
Oct 24 19:50 22:04
Landed
Track >
Oct 23 19:43 22:30
Cancelled
Track >
Cancelled Flight? Get 600€ Compensation >
Claim >
Oct 22 19:43 22:07
Landed
Track >
Oct 21 19:43 21:50
Landed
Track >
Oct 20 22:29 00:40
Delayed
Track >

Alaska Airlines AS 1399 Ontario to Seattle Flight Information

Alaska Airlines Flight AS1399 connects Ontario, United States to Seattle, United States, taking off from Ontario International Airport ONT and landing at Seattle Tacoma International Airport SEA.

How long is the AS1399 flight from Ontario to Seattle?

The average flight time from Ontario to Seattle is 2 hours and 21 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 645 km/h / 401 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS1399 Ontario to Seattle?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS1399 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest AS1399 flight?

The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 22:04.

How else can the flight AS1399 be referenced as?

This Alaska Airlines flight can also be referenced as ASA1399, AS 1399, ASA 1399.

How often is flight AS1399 delayed?

On average, 10% of all AS1399 flights are delayed. The average delay is 130 minutes.

Can I get compensation for my delayed or cancelled AS1399 flight or baggage issues?

If your AS1399 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 AS1399 Flight Tracker above for more details.

AS1399 and Ontario ONT to Seattle SEA Flights

Flight AS1399 is code-shared by 1 airline using the flight number HA6287

Other flights departing from Ontario ONT: UA393, WN1278, WN4099, WN2289

Other flights arriving at Seattle SEA: AS404, AS1052, AS403, WN4277

All flights connecting Ontario ONT to Seattle SEA.

AS1399 Alaska Airlines Flight: Ontario to Seattle Route Map

AS1399 Alaska Airlines Flight Map: Ontario 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.