WN556 Flight Status Southwest Airlines: Las Vegas to St. Louis (SWA556)

Are you looking for the November 3rd, 2026 WN 556 Orlando to San Antonio flight? Go to our WN556 Orlando to San Antonio Flight Status page >

WN 556 Las Vegas to St. Louis Flight Status

Not scheduled today (November 3rd, 2026). Latest flight: September 30th, 2026 ; recent history is in the table below.

WN 556 Flight Status & Schedule Southwest Airlines Las Vegas to St. Louis

Date From To Departure Arrival Status Details
Sep 30 LAS STL 12:52 17:31 Landed Track >
Sep 29 LAS STL 12:59 17:31 Landed Track >
Sep 27 LAS STL 13:12 17:46 Landed Track >
Sep 23 LAS STL 12:57 17:38 Landed Track >
Sep 22 LAS STL 12:48 17:21 Landed Track >
Sep 20 LAS STL 14:07 18:46 Landed Late Track >
Sep 16 LAS STL 13:31 18:15 Landed Late Track >
Sep 15 LAS STL 12:57 17:36 Landed Track >
Sep 13 LAS STL 13:24 18:06 Landed Track >
Sep 09 LAS STL 13:01 17:44 Landed Track >

Southwest Airlines flight WN 556 links Las Vegas and St. Louis, 2,202 km (1,368 mi) apart. The timetable allows 3 h 15 min, but the flight usually takes about 2 h 40 min, so it often makes up time. It is not flying today; the last flight, on 30 September 2026, landed on time.

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

About WN 556

Route
Las Vegas McCarran International Airport LAS to St. Louis Lambert International Airport STL
Distance
2,202 km (1,368 mi)
Typical flight time
2 h 40 min
On time
8 of the last 10
Average delay when late
31 min
Usually departs from
Terminal 1

WN 556 FAQ

How long is the WN556 flight?
The timetable allows 3 h 15 min. Las Vegas to St. Louis is 2,202 km (1,368 mi).
How often is WN556 late?
2 of the last 10 flights arrived 15 or more minutes late; when late, by 31 minutes on average.
Which terminal does WN556 use?
It usually leaves from Terminal 1 at Las Vegas McCarran International Airport (LAS) and arrives at Terminal 2 at St. Louis Lambert International Airport (STL). Check the flight card above for today's terminal and gate.
What other flight numbers does WN556 have?
Also listed as SWA556 (Southwest Airlines' ICAO code) and WN 556.

WN556 and Las Vegas LAS to St. Louis STL Flights

Other flights departing from Las Vegas LAS: AS570, WN670, WN4127, WN1809

Other flights arriving at St. Louis STL: WN3755, WN776, WN2538

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