WN 4399 San Diego to San Jose Flight Status

Southwest Airlines Flight WN4399 from San Diego International Airport SAN to San Jose International Airport SJC is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 30th, 2025.
Check the table below for WN4399's most recent flight history:

WN 4399 Flight Status & Schedule

Date Departure Arrival Status
Oct 30 20:43 21:42
Landed
Track >
Oct 27 21:47 22:49
Landed Late
Track >
Oct 24 21:26 22:25
Landed Late
Track >
Oct 23 20:42 21:41
Landed
Track >
Oct 20 21:44 22:39
Landed Late
Track >

Southwest Airlines WN 4399 San Diego to San Jose Flight Information

Southwest Airlines Flight WN4399 connects San Diego, United States to San Jose, United States, taking off from San Diego International Airport SAN and landing at San Jose International Airport SJC.

How long is the WN4399 flight from San Diego to San Jose?

The average flight time from San Diego to San Jose is 59 minutes. The flight distance is 671 km / 417 miles and the average flight speed is 654 km/h / 406 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4399 San Diego to San Jose?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4399 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4399 arriving at?

Flight WN4399 arrives at San Jose International Airport (SJC) Terminal B.

When was the latest WN4399 flight?

The latest flight took off on Friday, October 31st, 2025 with the flight status being Landed on 21:42.

How else can the flight WN4399 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4399, WN 4399, SWA 4399.

How often is flight WN4399 delayed?

On average, 50% of all WN4399 flights are delayed. The average delay is 27 minutes.

Can I get compensation for my delayed or cancelled WN4399 flight or baggage issues?

If your WN4399 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 WN4399 Flight Tracker above for more details.

WN4399 and San Diego SAN to San Jose SJC Flights

Other flights departing from San Diego SAN: WN3302, WN4382, WN4407, WN944

Other flights arriving at San Jose SJC: WN2043, WN451, WN4135, WN4556

All flights connecting San Diego SAN to San Jose SJC.

WN4399 Southwest Airlines Flight: San Diego to San Jose Route Map

WN4399 Southwest Airlines Flight Map: San Diego to San Jose
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.