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WN4815 Flight Status Southwest Airlines: San Jose to Ontario (SWA4815)

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WN 4815 San Jose to Ontario Flight Status

Southwest Airlines Flight WN4815 from San Jose International Airport SJC to Ontario International Airport ONT is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 22nd, 2026.
Check the table below for WN4815's most recent flight history:

WN 4815 Flight Status & Schedule

Date Departure Arrival Status
May 22 20:52 21:46
Landed
 Track >
May 21 20:36 21:28
Landed
 Track >
May 18 21:23 22:16
Landed Late
 Track >
< All SJC Departures All ONT Arrivals >

Southwest Airlines WN 4815 San Jose to Ontario Flight Information

Southwest Airlines Flight WN4815 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 WN4815 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 607 km/h / 377 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4815 San Jose to Ontario?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4815 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4815 arriving at?

Flight WN4815 arrives at Ontario International Airport (ONT) Terminal 4.

When was the latest WN4815 flight?

The latest flight took off on Saturday, May 23rd, 2026 with the flight status being Landed on 21:46.

How else can the flight WN4815 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4815, WN 4815, SWA 4815.

How often is flight WN4815 delayed?

On average, 67% of all WN4815 flights are delayed. The average delay is 26 minutes.

Can I get compensation for my delayed or cancelled WN4815 flight or baggage issues?

If your WN4815 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 WN4815 Flight Tracker above for more details.

WN4815 and San Jose SJC to Ontario ONT Flights

Other flights departing from San Jose SJC: WN4243, WN1910, WN2452, WN3618

Other flights arriving at Ontario ONT: DL779, UA1563, WN1087, WN3851

All flights connecting San Jose SJC to Ontario ONT.

WN4815 Southwest Airlines Flight: San Jose to Ontario Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.