| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | ONT | SJC | 16:02 | 16:55 |
Landed
|
Track > |
| Jan 04 | ONT | SJC | 18:08 | 19:04 |
Landed Late
|
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| Jan 03 | ONT | SJC | 14:38 | 15:36 |
Landed
|
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| Jan 02 | ONT | SJC | 17:18 | 18:15 |
Landed
|
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| Dec 30 | ONT | SJC | 17:41 | 18:30 |
Landed
|
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| Dec 29 | ONT | SJC | 17:30 | 18:20 |
Landed
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| Dec 28 | ONT | SJC | 18:09 | 19:00 |
Landed Late
|
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| Dec 27 | ONT | SJC | 15:21 | 16:11 |
Landed Late
|
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| Dec 26 | ONT | SJC | 17:42 | 18:37 |
Landed
|
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| Dec 23 | ONT | SJC | 17:52 | 18:44 |
Landed
|
Track > |
Southwest Airlines Flight WN4540 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 WN4540 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 608 km/h / 378 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4540 Ontario to San Jose?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4540 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4540 arriving at?
Flight WN4540 arrives at San Jose International Airport (SJC) Terminal B.
When was the latest WN4540 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 16:55.
How else can the flight WN4540 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4540, WN 4540, SWA 4540.
How often is flight WN4540 delayed?
On average, 60% of all WN4540 flights are delayed. The average delay is 18 minutes.
Can I get compensation for my delayed or cancelled WN4540 flight or baggage issues?
If your WN4540 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 WN4540 Flight Tracker above for more details.
Other flights departing from Ontario ONT: WN1242, WN3978, WN719, AS2617
Other flights arriving at San Jose SJC: WN2665, WN2561, WN2949, AS2149
All flights connecting Ontario ONT to San Jose SJC.