WN 3866 Kansas City to Las Vegas Flight Status

Southwest Airlines Flight WN3866 from Kansas City International Airport MCI to Las Vegas McCarran International Airport LAS is not scheduled for today June 12th, 2026.
The last time the flight was scheduled was on June 6th, 2026.
Check the table below for WN3866's most recent flight history:

WN 3866 Flight Status & Schedule

Date Departure Arrival Status
Jun 06 11:40 12:08
Landed
Track >

Southwest Airlines WN 3866 Kansas City to Las Vegas Flight Information

Southwest Airlines Flight WN3866 connects Kansas City, United States to Las Vegas, United States, taking off from Kansas City International Airport MCI and landing at Las Vegas McCarran International Airport LAS.

How long is the WN3866 flight from Kansas City to Las Vegas?

The average flight time from Kansas City to Las Vegas is 2 hours and 28 minutes. The flight distance is 1829 km / 1137 miles and the average flight speed is 742 km/h / 461 mph.

How many WN3866 flights are operated per week?

1 flight per week. The flight WN3866 is operated on Saturday.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3866 Kansas City to Las Vegas?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3866 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3866 arriving at?

Flight WN3866 arrives at Las Vegas McCarran International Airport (LAS) Terminal 1.

When was the latest WN3866 flight?

The latest flight took off on Saturday, June 6th, 2026 with the flight status being Landed on 12:08.

How else can the flight WN3866 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3866, WN 3866, SWA 3866.

How often is flight WN3866 delayed?

On average, 0% of all WN3866 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN3866 flight or baggage issues?

If your WN3866 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 WN3866 Flight Tracker above for more details.

WN3866 and Kansas City MCI to Las Vegas LAS Flights

Other flights departing from Kansas City MCI: AA602, UA2437, WN2529, WN4759

Other flights arriving at Las Vegas LAS: WN652, WN1755, XE1181, LF548

All flights connecting Kansas City MCI to Las Vegas LAS.

WN3866 Southwest Airlines Flight: Kansas City to Las Vegas 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.