| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 04 | SJC | ONT | 11:20 | 12:16 |
Landed
|
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| Aug 03 | SJC | ONT | 12:00 | 12:53 |
Landed
|
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| Aug 02 | SJC | ONT | 12:47 | 13:40 |
Landed
|
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| Aug 01 | SJC | ONT | 11:32 | 12:25 |
Landed
|
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| Jul 31 | SJC | ONT | 11:53 | 12:46 |
Landed Late
|
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| Jul 30 | SJC | ONT | 12:13 | 13:04 |
Landed
|
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| Jul 29 | SJC | ONT | 12:13 | 13:07 |
Landed
|
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| Jul 28 | SJC | ONT | 11:17 | 12:10 |
Landed
|
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| Jul 27 | SJC | ONT | 12:02 | 12:57 |
Landed
|
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| Jul 26 | SJC | ONT | 12:58 | 13:51 |
Landed
|
Track > |
Southwest Airlines Flight WN4143 connects San Jose, United States to Ontario, United States, taking off from San Jose International Airport SJC and landing at Ontario International Airport ONT.
How long is the WN4143 flight from San Jose to Ontario?
The average flight time from San Jose to Ontario is 53 minutes. The flight distance is 536 km / 333 miles and the average flight speed is 603 km/h / 375 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4143 San Jose to Ontario?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4143 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4143 arriving at?
Flight WN4143 arrives at Ontario International Airport (ONT) Terminal 4.
When was the latest WN4143 flight?
The latest flight took off on Monday, August 4th, 2025 with the flight status being Landed on 12:16.
How else can the flight WN4143 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4143, WN 4143, SWA 4143.
How often is flight WN4143 delayed?
On average, 20% of all WN4143 flights are delayed. The average delay is 15 minutes.
Can I get compensation for my delayed or cancelled WN4143 flight or baggage issues?
If your WN4143 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 WN4143 Flight Tracker above for more details.
Other flights departing from San Jose SJC: WN1874, WN2465, WN150, NK1826
Other flights arriving at Ontario ONT: AA3203, DL3589, WN1885, WN2214
All flights connecting San Jose SJC to Ontario ONT.
