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WN3531 Flight Status Southwest Airlines: Las Vegas to St. Louis (SWA3531)

WN 3531 Las Vegas to St. Louis Flight Status

Southwest Airlines Flight WN3531 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 February 28th, 2026.
Check the table below for WN3531's most recent flight history:

WN 3531 Flight Status & Schedule

Date Departure Arrival Status
Feb 28 18:45 23:24
Landed
 Track >
Feb 21 18:49 23:21
Landed
 Track >
Feb 14 19:03 23:37
Landed
 Track >
< All LAS Departures All STL Arrivals >

Southwest Airlines WN 3531 Las Vegas to St. Louis Flight Information

Southwest Airlines Flight WN3531 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 WN3531 flight from Las Vegas to St. Louis?

The average flight time from Las Vegas to St. Louis is 2 hours and 35 minutes. The flight distance is 2202 km / 1368 miles and the average flight speed is 853 km/h / 530 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3531 Las Vegas to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3531 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3531 arriving at?

Flight WN3531 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN3531 flight?

The latest flight took off on Sunday, March 1st, 2026 with the flight status being Landed on 23:24.

How else can the flight WN3531 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3531, WN 3531, SWA 3531.

How often is flight WN3531 delayed?

On average, 0% of all WN3531 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN3531 flight or baggage issues?

If your WN3531 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 WN3531 Flight Tracker above for more details.

WN3531 and Las Vegas LAS to St. Louis STL Flights

Other flights departing from Las Vegas LAS: WN2089, WN4185, WN1555, WN4208

Other flights arriving at St. Louis STL: AA6359, WN2637, AA3065, WN4721

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

WN3531 Southwest Airlines Flight: Las Vegas to St. Louis Route Map

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.