| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 04 | SEA | SFO | 19:07 | 17:50 |
Unknown
|
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| Jan 03 | SEA | SFO | 17:39 | 19:24 |
Delayed
|
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| Jan 02 | SEA | SFO | 17:44 | 19:33 |
Delayed
|
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| Dec 30 | SEA | SFO | 15:55 | 17:55 |
Landed
|
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| Dec 29 | SEA | SFO | 15:44 | 17:25 |
Landed
|
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| Dec 28 | SEA | SFO | 15:36 | 17:14 |
Landed
|
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| Dec 27 | SEA | SFO | 15:41 | 17:13 |
Landed
|
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| Dec 26 | SEA | SFO | 16:33 | 18:24 |
Landed Late
|
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| Dec 23 | SEA | SFO | 15:59 | 18:01 |
Landed
|
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| Dec 22 | SEA | SFO | 16:18 | 18:18 |
Landed Late
|
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WestJet Flight WS7143 connects Seattle, United States to San Francisco, United States, taking off from Seattle Tacoma International Airport SEA and landing at San Francisco International Airport SFO.
How long is the WS7143 flight from Seattle to San Francisco?
The average flight time from Seattle to San Francisco is 1 hour and 48 minutes. The flight distance is 1093 km / 679 miles and the average flight speed is 595 km/h / 370 mph.
What is the On-Time Performance (OTP) of WestJet Flight WS7143 Seattle to San Francisco?
The Airportia On-Time Performance Rating for WestJet Flight WS7143 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WS7143 arriving at?
Flight WS7143 arrives at San Francisco International Airport (SFO) Terminal 1.
When was the latest WS7143 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Unknown on 17:50.
How else can the flight WS7143 be referenced as?
This WestJet flight can also be referenced as WJA7143, WS 7143, WJA 7143.
How often is flight WS7143 delayed?
On average, 60% of all WS7143 flights are delayed. The average delay is 45 minutes.
Can I get compensation for my delayed or cancelled WS7143 flight or baggage issues?
If your WS7143 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 WS7143 Flight Tracker above for more details.
Other flights departing from Seattle SEA: DL508, DL3720, DL3897, DL4065
Other flights arriving at San Francisco SFO: UA5662, UA744, UA287, DL3720
All flights connecting Seattle SEA to San Francisco SFO.