| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | ONT | SJC | 20:50 | 21:42 |
Landed
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| Jan 01 | ONT | SJC | 11:30 | 12:23 |
Landed
|
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| Dec 31 | ONT | SJC | 11:10 | 11:57 |
Landed
|
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| Dec 25 | ONT | SJC | 11:08 | 12:04 |
Landed
|
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| Dec 24 | ONT | SJC | 11:30 | 12:21 |
Landed
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| Dec 18 | ONT | SJC | 20:13 | 21:06 |
Landed
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| Dec 17 | ONT | SJC | 11:21 | 12:21 |
Landed
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| Dec 16 | ONT | SJC | 11:06 | 11:59 |
Landed
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| Dec 15 | ONT | SJC | 11:11 | 12:05 |
Landed
|
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| Dec 14 | ONT | SJC | 20:30 | 21:23 |
Landed
|
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Southwest Airlines Flight WN3997 connects Ontario, United States to San Jose, United States, taking off from Ontario International Airport ONT and landing at San Jose International Airport SJC.
How long is the WN3997 flight from Ontario to San Jose?
The average flight time from Ontario to San Jose is 53 minutes. The flight distance is 536 km / 333 miles and the average flight speed is 607 km/h / 377 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3997 Ontario to San Jose?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3997 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3997 arriving at?
Flight WN3997 arrives at San Jose International Airport (SJC) Terminal B.
When was the latest WN3997 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 21:42.
How else can the flight WN3997 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3997, WN 3997, SWA 3997.
How often is flight WN3997 delayed?
On average, 10% of all WN3997 flights are delayed. The average delay is 2 minutes.
Can I get compensation for my delayed or cancelled WN3997 flight or baggage issues?
If your WN3997 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 WN3997 Flight Tracker above for more details.
Other flights departing from Ontario ONT: WN3986, WN2577, WN3984, UA1180
Other flights arriving at San Jose SJC: WN3971, WN1713, WN1723, WN2773
All flights connecting Ontario ONT to San Jose SJC.