WN 3812 Las Vegas to St. Louis Flight Status

Southwest Airlines Flight WN3812 from Las Vegas McCarran International Airport LAS to St. Louis Lambert International Airport STL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 1st, 2025.
Check the table below for WN3812's most recent flight history:

WN 3812 Flight Status & Schedule

Date Departure Arrival Status
Oct 01 06:56 11:36
Landed
Track >
Sep 30 06:51 11:31
Landed
Track >
Sep 24 07:03 11:46
Landed
Track >
Sep 23 06:57 11:55
Landed
Track >
Sep 17 06:54 11:37
Landed
Track >

Southwest Airlines WN 3812 Las Vegas to St. Louis Flight Information

Southwest Airlines Flight WN3812 connects Las Vegas, United States to St. Louis, United States, taking off from Las Vegas McCarran International Airport LAS and landing at St. Louis Lambert International Airport STL.

How long is the WN3812 flight from Las Vegas to St. Louis?

The average flight time from Las Vegas to St. Louis is 2 hours and 43 minutes. The flight distance is 2202 km / 1368 miles and the average flight speed is 808 km/h / 502 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3812 Las Vegas to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3812 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3812 arriving at?

Flight WN3812 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN3812 flight?

The latest flight took off on Wednesday, October 1st, 2025 with the flight status being Landed on 11:36.

How else can the flight WN3812 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3812, WN 3812, SWA 3812.

How often is flight WN3812 delayed?

On average, 0% of all WN3812 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN3812 flight or baggage issues?

If your WN3812 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 WN3812 Flight Tracker above for more details.

WN3812 and Las Vegas LAS to St. Louis STL Flights

Other flights departing from Las Vegas LAS: WN1330, WN2996, WN1623, WN2579

Other flights arriving at St. Louis STL: AA3944, WN1580, DL1564, AA2275

All flights connecting Las Vegas LAS to St. Louis STL.

WN3812 Southwest Airlines Flight: Las Vegas to St. Louis Route Map

WN3812 Southwest Airlines Flight Map: Las Vegas to St. Louis
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.