How long is the WN143 flight?

The timetable allows 3 h 35 min. St. Louis to Las Vegas is 2,202 km (1,368 mi).

What other flight numbers does WN143 have?

Also listed as SWA143 (Southwest Airlines' ICAO code) and WN 143.

WN143 Flight Status Southwest Airlines: St. Louis to Las Vegas (SWA143)

Southwest Airlines WN 143

Landed On Time

STL St. Louis

Scheduled: 06:25
Actual: 06:32

Terminal: 2 | Gate: E14

Departure: Tue, Nov 3, 2026 · local time CST

St. Louis Lambert International Airport (STL)

All STL Departures >

LAS Las Vegas

Scheduled: 08:00
Actual: 07:39
Delay

Terminal: 1 | Gate: B9

Arrival: Tue, Nov 3, 2026 · local time PST

Las Vegas McCarran International Airport (LAS)

All LAS Arrivals >

Landed 5h 10m ago 100%

STL 06:32 LAS 07:39

2,202 km (1,368 mi) flown

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

Add to calendar

Distance: 2202 km / 1368 miles · Scheduled Duration: 03:35 · Actual Duration: 03:07

This flight continues to San Diego (SAN): WN143 Las Vegas to San Diego departs at 08:45 local time on Nov 3.

WN 143 Flight Status & Schedule Southwest Airlines St. Louis to Las Vegas

Date	From	To	Departure	Arrival	Status	Details
Nov 03	STL	LAS	06:32	07:39	Landed	Track >

Southwest Airlines' St. Louis–Las Vegas flight covers 2,202 km (1,368 mi) and runs once a week, on Tuesdays. The timetable allows 3 h 35 min; there is not enough recent history yet to say how long it usually takes. Today it left on time and landed at 07:39, 21 minutes early.

< All St. Louis STL Departures All Las Vegas LAS Arrivals >

About WN 143

Route: St. Louis Lambert International Airport STL to Las Vegas McCarran International Airport LAS
Distance: 2,202 km (1,368 mi)
Scheduled flight time: 3 h 35 min
Flies: Tue

WN 143 FAQ

How long is the WN143 flight?: The timetable allows 3 h 35 min. St. Louis to Las Vegas is 2,202 km (1,368 mi).
Which days does WN143 fly?: Once a week, on Tuesdays, based on the schedule of the last 7 days.
What other flight numbers does WN143 have?: Also listed as SWA143 (Southwest Airlines' ICAO code) and WN 143.

WN143 and St. Louis STL to Las Vegas LAS Flights

Other flights departing from St. Louis STL: 9E4653, WN4173, AA1250, WN888

Other flights arriving at Las Vegas LAS: AA467, WN1431, WN2289, XE100

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