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WN3855 Flight Status Southwest Airlines: Las Vegas to San Francisco (SWA3855)

WN 3855 Las Vegas to San Francisco Flight Status

Southwest Airlines Flight WN3855 from Las Vegas McCarran International Airport LAS to San Francisco International Airport SFO is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 26th, 2025.
Check the table below for WN3855's most recent flight history:

WN 3855 Flight Status & Schedule

Date Departure Arrival Status
Oct 26 10:07 11:19
Landed
 Track >
Oct 19 10:01 11:09
Landed
 Track >
Oct 12 10:09 11:18
Landed
 Track >
Oct 05 09:57 11:08
Landed
 Track >
< All LAS Departures All SFO Arrivals >

Southwest Airlines WN 3855 Las Vegas to San Francisco Flight Information

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

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

The average flight time from Las Vegas to San Francisco is 1 hour and 10 minutes. The flight distance is 665 km / 413 miles and the average flight speed is 570 km/h / 354 mph.

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

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3855 is 5/5 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 Francisco International Airport (SFO) Terminal 2.

When was the latest WN3855 flight?

The latest flight took off on Sunday, October 26th, 2025 with the flight status being Landed on 11:19.

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, 0% of all WN3855 flights are delayed. The average delay is 0 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 Francisco SFO Flights

Other flights departing from Las Vegas LAS: WN448, NK1778, WN2508, WN3219

Other flights arriving at San Francisco SFO: AA819, AA6277, WN3499, WN1335

All flights connecting Las Vegas LAS to San Francisco SFO.

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

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