AS 3143 Seattle to Kelowna Flight Status

Alaska Airlines Flight AS3143 from Seattle Tacoma International Airport SEA to Kelowna International Airport YLW is not scheduled for today July 1st, 2026.
The last time the flight was scheduled was on June 9th, 2026.
Check the table below for AS3143's most recent flight history:

AS 3143 Flight Status & Schedule

Date Departure Arrival Status
Jun 09 13:33 14:46
En-Route
Track >
Jun 08 13:43 14:29
Landed
Track >
Jun 07 14:24 15:19
Landed Late
Track >
Jun 06 14:15 15:14
Landed Late
Track >
Jun 05 13:55 14:39
Landed
Track >

Alaska Airlines AS 3143 Seattle to Kelowna Flight Information

Alaska Airlines Flight AS3143 connects Seattle, United States to Kelowna, Canada, taking off from Seattle Tacoma International Airport SEA and landing at Kelowna International Airport YLW.

How long is the AS3143 flight from Seattle to Kelowna?

The average flight time from Seattle to Kelowna is 50 minutes. The flight distance is 352 km / 219 miles and the average flight speed is 416 km/h / 258 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS3143 Seattle to Kelowna?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS3143 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest AS3143 flight?

The latest flight took off on Tuesday, June 9th, 2026 with the flight status being En-Route on 14:46.

How else can the flight AS3143 be referenced as?

This Alaska Airlines flight can also be referenced as ASA3143, AS 3143, ASA 3143.

How often is flight AS3143 delayed?

On average, 60% of all AS3143 flights are delayed. The average delay is 15 minutes.

Can I get compensation for my delayed or cancelled AS3143 flight or baggage issues?

If your AS3143 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 AS3143 Flight Tracker above for more details.

AS3143 and Seattle SEA to Kelowna YLW Flights

Flight AS3143 is code-shared by 3 airlines using the flight numbers AA7440, JL5425, QR2195

Other flights departing from Seattle SEA: UA5419, WN1876, AS510, AS703

Other flights arriving at Kelowna YLW: F8559, AC7799, WS3566, WS829

All flights connecting Seattle SEA to Kelowna YLW.

AS3143 Alaska Airlines Flight: Seattle to Kelowna 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.