WN4315 Southwest Airlines - Flight Status

This website is an informational guide and is not sponsored by, endorsed by, or affiliated with the City of San José Airport Commission, and that visitors intending to reach the official site should visit flysanjose.com.

Warning

This flight has been diverted and landed in a different airport than scheduled. Contact airline to obtain more information. This was the original destination:

Burbank (BUR) - Hollywood Burbank Airport

Below, you can find details about Southwest Airlines flight WN4315, which currently operates between the airports of San Jose - San Jose Mineta International Airport (Airport Code SJC) and Ontario - Ontario International Airport (Airport Code ONT).
This flight data pertains specifically to the flight's details for Wednesday, December 17, 2025.

Table of contents:
Flight Status

WN4315 On Time performance:

We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

WN4315 Southwest Airlines to Ontario

Landed - Delayed

Delay: 31 minutes

Flight Status for Wednesday December 17, 2025

This flight is also scheduled for Today (December 18, 2025). See it here

Airline information

Southwest Airlines

Equipment: Boeing 737-700 (winglets) Passenger/BBJ1

Departure

San Jose (SJC)

December 17, 2025

San Jose Mineta International Airport

Departed at:

06:51 am

Terminal:

Gate:

Scheduled Departure Time: 06:55 am

Arrival

Ontario (ONT)

December 17, 2025

Ontario International Airport

Arrived at:

08:36 am

Terminal:

Gate:

Scheduled Arrival Time: 08:05 am

Disclaimer

The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.sanjose-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.