| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 10 | ONT | SEA | 14:35 | 16:54 |
Landed
|
Track > |
| Aug 09 | ONT | SEA | 15:10 | 17:22 |
Landed Late
|
Track > |
| Aug 08 | ONT | SEA | 14:21 | 16:40 |
Landed
|
Track > |
| Aug 07 | ONT | SEA | 15:04 | 17:24 |
Landed Late
|
Track > |
WestJet Flight WS8390 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 WS8390 flight from Ontario to Seattle?
The average flight time from Ontario to Seattle is 2 hours and 17 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 672 km/h / 418 mph.
What is the On-Time Performance (OTP) of WestJet Flight WS8390 Ontario to Seattle?
The Airportia On-Time Performance Rating for WestJet Flight WS8390 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WS8390 flight?
The latest flight took off on Monday, August 11th, 2025 with the flight status being Landed on 16:54.
How else can the flight WS8390 be referenced as?
This WestJet flight can also be referenced as WJA8390, WS 8390, WJA 8390.
How often is flight WS8390 delayed?
On average, 50% of all WS8390 flights are delayed. The average delay is 23 minutes.
Can I get compensation for my delayed or cancelled WS8390 flight or baggage issues?
If your WS8390 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 WS8390 Flight Tracker above for more details.
Other flights departing from Ontario ONT: AS1242, DL3589, WN3265, UA2042
Other flights arriving at Seattle SEA: UA1254, DL3589, AS3002, AS2005
All flights connecting Ontario ONT to Seattle SEA.
