WN3399 Flight Status Southwest Airlines: St. Louis to Los Angeles (SWA3399)

Are you looking for the November 9th, 2026 WN 3399 Dallas to San Antonio flight? Go to our WN3399 Dallas to San Antonio Flight Status page >

WN 3399 St. Louis to Los Angeles Flight Status

Not scheduled today (November 9th, 2026). Latest flight: September 30th, 2026 ; recent history is in the table below.

WN 3399 Flight Status & Schedule Southwest Airlines St. Louis to Los Angeles

Date From To Departure Arrival Status Details
Sep 30 STL LAX 08:44 10:09 Landed Track >
Sep 29 STL LAX 08:38 10:10 Landed Track >
Sep 27 STL LAX 08:46 10:27 Landed Track >
Sep 26 STL LAX 08:39 10:13 Landed Track >
Sep 23 STL LAX 08:39 10:07 Landed Track >
Sep 22 STL LAX 09:05 10:46 Landed Late Track >
Sep 20 STL LAX 08:40 10:08 Landed Track >
Sep 19 STL LAX 08:48 10:10 Landed Track >
Sep 16 STL LAX 08:38 10:02 Landed Track >
Sep 15 STL LAX 08:47 10:12 Landed Track >

Southwest Airlines operates WN 3399 from St. Louis to Los Angeles, a 2,557 km (1,589 mi) trip. With 3 h 55 min in the timetable and a usual flight time of about 3 h 30 min, it often makes up time. It is not flying today; the last flight, on 30 September 2026, landed on time.

< All St. Louis STL Departures All Los Angeles LAX Arrivals >

About WN 3399

Route
St. Louis Lambert International Airport STL to Los Angeles International Airport LAX
Distance
2,557 km (1,589 mi)
Typical flight time
3 h 30 min
On time
9 of the last 10
Average delay when late
26 min
Usually departs from
Terminal 2

WN 3399 FAQ

How long is the WN3399 flight?
The timetable allows 3 h 55 min. St. Louis to Los Angeles is 2,557 km (1,589 mi).
How often is WN3399 late?
1 of the last 10 flights arrived 15 or more minutes late; when late, by 26 minutes on average.
Which terminal does WN3399 use?
It usually leaves from Terminal 2 at St. Louis Lambert International Airport (STL) and arrives at Terminal 1 at Los Angeles International Airport (LAX). Check the flight card above for today's terminal and gate.
What other flight numbers does WN3399 have?
Also listed as SWA3399 (Southwest Airlines' ICAO code) and WN 3399.

WN3399 and St. Louis STL to Los Angeles LAX Flights

Other flights departing from St. Louis STL: WN3886, WN4522, WN3870, WN4157

Other flights arriving at Los Angeles LAX: WN4994, OO4896, WN1532, OO3064

All flights connecting St. Louis STL to Los Angeles LAX.