AS 728 Seattle to Ontario Flight Status

Alaska Airlines Flight AS728 from Seattle Tacoma International Airport SEA to Ontario International Airport ONT is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 12th, 2026.
Check the table below for AS728's most recent flight history:

AS 728 Flight Status & Schedule

Date Departure Arrival Status
May 12 12:20 14:42
Landed
Track >
May 11 12:22 14:34
Landed
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May 10 11:53 14:03
Landed
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May 09 11:52 13:50
Landed
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May 06 11:33 13:59
Unknown
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Alaska Airlines AS 728 Seattle to Ontario Flight Information

Alaska Airlines Flight AS728 connects Seattle, United States to Ontario, United States, taking off from Seattle Tacoma International Airport SEA and landing at Ontario International Airport ONT.

How long is the AS728 flight from Seattle to Ontario?

The average flight time from Seattle to Ontario is 2 hours and 18 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 657 km/h / 409 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS728 Seattle to Ontario?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS728 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS728 arriving at?

Flight AS728 arrives at Ontario International Airport (ONT) Terminal 2.

When was the latest AS728 flight?

The latest flight took off on Tuesday, May 12th, 2026 with the flight status being Landed on 14:42.

How else can the flight AS728 be referenced as?

This Alaska Airlines flight can also be referenced as ASA728, AS0728, AS 728, ASA 728.

How often is flight AS728 delayed?

On average, 30% of all AS728 flights are delayed. The average delay is 5 minutes.

Can I get compensation for my delayed or cancelled AS728 flight or baggage issues?

If your AS728 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 AS728 Flight Tracker above for more details.

AS728 and Seattle SEA to Ontario ONT Flights

Other flights departing from Seattle SEA: AS466, UA1482, AS1497, AS2027

Other flights arriving at Ontario ONT: AA2462, AS2339, WN1353, WN3661

All flights connecting Seattle SEA to Ontario ONT.

AS728 Alaska Airlines Flight: Seattle to Ontario 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.