| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 03 | SJC | ONT | 18:32 | 19:24 |
Landed
|
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| Jun 02 | SJC | ONT | 18:31 | 19:24 |
Landed
|
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| Jun 01 | SJC | ONT | 16:52 | 17:47 |
Landed
|
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| May 31 | SJC | ONT | 18:07 | 19:01 |
Landed
|
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| May 30 | SJC | ONT | 16:55 | 17:49 |
Landed
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| May 29 | SJC | ONT | 17:14 | 18:05 |
Landed
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| May 28 | SJC | ONT | 16:58 | 17:49 |
Landed
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| May 27 | SJC | ONT | 19:04 | 19:58 |
Landed Late
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| May 26 | SJC | ONT | 18:39 | 19:29 |
Landed
|
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| May 25 | SJC | ONT | 17:20 | 18:12 |
Landed
|
Track > |
Southwest Airlines Flight WN4255 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 WN4255 flight from San Jose to Ontario?
The average flight time from San Jose to Ontario is 52 minutes. The flight distance is 536 km / 333 miles and the average flight speed is 612 km/h / 381 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4255 San Jose to Ontario?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4255 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4255 arriving at?
Flight WN4255 arrives at Ontario International Airport (ONT) Terminal 4.
When was the latest WN4255 flight?
The latest flight took off on Thursday, June 4th, 2026 with the flight status being Landed on 19:24.
How else can the flight WN4255 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4255, WN 4255, SWA 4255.
How often is flight WN4255 delayed?
On average, 40% of all WN4255 flights are delayed. The average delay is 7 minutes.
Can I get compensation for my delayed or cancelled WN4255 flight or baggage issues?
If your WN4255 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 WN4255 Flight Tracker above for more details.
Other flights departing from San Jose SJC: WN2724, WN2806, WN826, WN4107
Other flights arriving at Ontario ONT: WN2145, WN742, WN2694, WN1288
All flights connecting San Jose SJC to Ontario ONT.