| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 20 | SEA | ONT | 14:59 | 17:15 |
Landed
|
Track > |
| Jul 19 | SEA | ONT | 14:56 | 17:20 |
Landed
|
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| Jul 18 | SEA | ONT | 14:43 | 17:04 |
Landed
|
Track > |
| Jul 17 | SEA | ONT | 15:03 | 17:25 |
Landed
|
Track > |
| Jul 16 | SEA | ONT | 17:47 | 20:01 |
Delayed
|
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| Jul 15 | SEA | ONT | 15:18 | 17:48 |
Landed Late
|
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| Jul 14 | SEA | ONT | 15:02 | 17:38 |
Landed Late
|
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| Jul 13 | SEA | ONT | 14:55 | 17:22 |
Landed
|
Track > |
| Jul 12 | SEA | ONT | 14:52 | 17:25 |
Landed
|
Track > |
| Jul 11 | SEA | ONT | 14:48 | 17:14 |
Landed
|
Track > |
WestJet Flight WS8373 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 WS8373 flight from Seattle to Ontario?
The average flight time from Seattle to Ontario is 2 hours and 24 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 639 km/h / 397 mph.
How many WS8373 flights are operated per week?
6 flights per week. The flight WS8373 is operated on Monday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of WestJet Flight WS8373 Seattle to Ontario?
The Airportia On-Time Performance Rating for WestJet Flight WS8373 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WS8373 arriving at?
Flight WS8373 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest WS8373 flight?
The latest flight took off on Tuesday, July 21st, 2026 with the flight status being Landed on 17:15.
How else can the flight WS8373 be referenced as?
This WestJet flight can also be referenced as WJA8373, WS 8373, WJA 8373.
How often is flight WS8373 delayed?
On average, 60% of all WS8373 flights are delayed. The average delay is 35 minutes.
Can I get compensation for my delayed or cancelled WS8373 flight or baggage issues?
If your WS8373 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 WS8373 Flight Tracker above for more details.
Other flights departing from Seattle SEA: DL340, DL533, DL3707, DL4031
Other flights arriving at Ontario ONT: JX10, DL4031, WN3808, EM7653
All flights connecting Seattle SEA to Ontario ONT.
