WS 8991 Seattle to Toronto Flight Status

WestJet Flight WS8991 from Seattle Boeing Field BFI to Toronto Pearson International Airport YYZ is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on December 16th, 2025.
Check the table below for WS8991's most recent flight history:

WS 8991 Flight Status & Schedule

Date Departure Arrival Status
Dec 16 17:03 23:57
Delayed
Track >
Nov 25 17:36 01:05
Delayed
Track >

WestJet WS 8991 Seattle to Toronto Flight Information

WestJet Flight WS8991 connects Seattle, United States to Toronto, Canada, taking off from Seattle Boeing Field BFI and landing at Toronto Pearson International Airport YYZ.

How long is the WS8991 flight from Seattle to Toronto?

The average flight time from Seattle to Toronto is 4 hours and 11 minutes. The flight distance is 3305 km / 2054 miles and the average flight speed is 792 km/h / 492 mph.

What is the On-Time Performance (OTP) of WestJet Flight WS8991 Seattle to Toronto?

The Airportia On-Time Performance Rating for WestJet Flight WS8991 is 3/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WS8991 arriving at?

Flight WS8991 arrives at Toronto Pearson International Airport (YYZ) Terminal 3.

When was the latest WS8991 flight?

The latest flight took off on Wednesday, December 17th, 2025 with the flight status being En-Route on 23:57.

How else can the flight WS8991 be referenced as?

This WestJet flight can also be referenced as WJA8991, WS 8991, WJA 8991.

How often is flight WS8991 delayed?

On average, 100% of all WS8991 flights are delayed. The average delay is 121 minutes.

Can I get compensation for my delayed or cancelled WS8991 flight or baggage issues?

If your WS8991 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 WS8991 Flight Tracker above for more details.

WS8991 and Seattle BFI to Toronto YYZ Flights

Other flights departing from Seattle BFI: A81962, M54444, A81972, A81962

Other flights arriving at Toronto YYZ: UA583, AC7059, AC8981, AA3197

All flights connecting Seattle BFI to Toronto YYZ.

WS8991 WestJet Flight: Seattle to Toronto 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.