WN 3855 Las Vegas to San Diego Flight Status

Southwest Airlines Flight WN3855 from Las Vegas McCarran International Airport LAS to San Diego International Airport SAN is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 29th, 2025.
Check the table below for WN3855's most recent flight history:

WN 3855 Flight Status & Schedule

Date Departure Arrival Status
Oct 29 15:07 15:50
Landed
Track >
Oct 28 14:53 15:39
Landed
Track >
Oct 22 15:01 15:48
Landed
Track >
Oct 21 14:44 15:31
Landed
Track >
Oct 15 14:48 15:34
Landed
Track >

Southwest Airlines WN 3855 Las Vegas to San Diego Flight Information

Southwest Airlines Flight WN3855 connects Las Vegas, United States to San Diego, United States, taking off from Las Vegas McCarran International Airport LAS and landing at San Diego International Airport SAN.

How long is the WN3855 flight from Las Vegas to San Diego?

The average flight time from Las Vegas to San Diego is 50 minutes. The flight distance is 416 km / 259 miles and the average flight speed is 516 km/h / 320 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3855 Las Vegas to San Diego?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3855 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3855 arriving at?

Flight WN3855 arrives at San Diego International Airport (SAN) Terminal 1.

When was the latest WN3855 flight?

The latest flight took off on Wednesday, October 29th, 2025 with the flight status being Landed on 15:50.

How else can the flight WN3855 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3855, WN 3855, SWA 3855.

How often is flight WN3855 delayed?

On average, 37% of all WN3855 flights are delayed. The average delay is 19 minutes.

Can I get compensation for my delayed or cancelled WN3855 flight or baggage issues?

If your WN3855 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 WN3855 Flight Tracker above for more details.

WN3855 and Las Vegas LAS to San Diego SAN Flights

Other flights departing from Las Vegas LAS: NK818, WN2472, WN1539, WN3068

Other flights arriving at San Diego SAN: WN1931, WN1418, WN800, AA1951

All flights connecting Las Vegas LAS to San Diego SAN.

WN3855 Southwest Airlines Flight: Las Vegas to San Diego Route Map

WN3855 Southwest Airlines Flight Map: Las Vegas to San Diego
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.