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WN 3900 Oakland to San Diego Flight Status

Southwest Airlines Flight WN3900 from Oakland International Airport OAK to San Diego International Airport SAN is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on January 5th, 2026.
Check the table below for WN3900's most recent flight history:

WN 3900 Flight Status & Schedule

Date Departure Arrival Status
Jan 05 06:08 07:17
Landed
Track >
Jan 04 06:35 07:42
Landed
Track >
Jan 02 06:27 08:01
Landed
Track >
Jan 01 12:46 11:10
Unknown
Track >
Dec 31 09:56 11:14
Landed
Track >

Southwest Airlines WN 3900 Oakland to San Diego Flight Information

Southwest Airlines Flight WN3900 connects Oakland, United States to San Diego, United States, taking off from Oakland International Airport OAK and landing at San Diego International Airport SAN.

How long is the WN3900 flight from Oakland to San Diego?

The average flight time from Oakland to San Diego is 1 hour and 13 minutes. The flight distance is 718 km / 446 miles and the average flight speed is 585 km/h / 364 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3900 Oakland to San Diego?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3900 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3900 arriving at?

Flight WN3900 arrives at San Diego International Airport (SAN) Terminal 1.

When was the latest WN3900 flight?

The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 07:17.

How else can the flight WN3900 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3900, WN 3900, SWA 3900.

How often is flight WN3900 delayed?

On average, 40% of all WN3900 flights are delayed. The average delay is 9 minutes.

Can I get compensation for my delayed or cancelled WN3900 flight or baggage issues?

If your WN3900 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 WN3900 Flight Tracker above for more details.

WN3900 and Oakland OAK to San Diego SAN Flights

Other flights departing from Oakland OAK: WN1692, WN1577, WN3809, P8977

Other flights arriving at San Diego SAN: WN2364, WN1570, WN239, WN2355

All flights connecting Oakland OAK to San Diego SAN.

WN3900 Southwest Airlines Flight: Oakland to San Diego Route Map

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.