AS 1091 Ontario to Seattle Flight Status

Alaska Airlines Flight AS1091 from Ontario International Airport ONT to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 25th, 2025.
Check the table below for AS1091's most recent flight history:

AS 1091 Flight Status & Schedule

Date Departure Arrival Status
Oct 25 06:11 08:25
Landed
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Oct 24 06:00 08:45
Cancelled
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Oct 23 06:17 08:40
Landed
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Oct 22 06:08 08:16
Unknown
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Oct 21 06:15 08:29
Landed
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Alaska Airlines AS 1091 Ontario to Seattle Flight Information

Alaska Airlines Flight AS1091 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 AS1091 flight from Ontario to Seattle?

The average flight time from Ontario to Seattle is 2 hours and 19 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 654 km/h / 406 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS1091 Ontario to Seattle?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS1091 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS1091 arriving at?

Flight AS1091 arrives at Seattle Tacoma International Airport (SEA) Terminal A.

When was the latest AS1091 flight?

The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 08:25.

How else can the flight AS1091 be referenced as?

This Alaska Airlines flight can also be referenced as ASA1091, AS 1091, ASA 1091.

How often is flight AS1091 delayed?

On average, 0% of all AS1091 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled AS1091 flight or baggage issues?

If your AS1091 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 AS1091 Flight Tracker above for more details.

AS1091 and Ontario ONT to Seattle SEA Flights

Flight AS1091 is code-shared by 3 airlines using the flight numbers HA6288, JL6389, QR2987

Other flights departing from Ontario ONT: WN1655, WN1251, WN1966, WN4083

Other flights arriving at Seattle SEA: AS931, AS2118, AS1151, WN4027

All flights connecting Ontario ONT to Seattle SEA.

AS1091 Alaska Airlines Flight: Ontario to Seattle Route Map

AS1091 Alaska Airlines Flight Map: Ontario to Seattle
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.