WN3850 Flight Status Southwest Airlines: St. Louis to Los Angeles (SWA3850)
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WN 3850 St. Louis to Los Angeles Flight Status
Not scheduled today (November 3rd, 2026). Latest flight: September 30th, 2026 ; recent history is in the table below.
WN 3850 Flight Status & Schedule Southwest Airlines St. Louis to Los Angeles
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 30 | STL | LAX | 21:57 | 23:21 | Landed Late | Track > |
| Sep 29 | STL | LAX | 21:14 | 22:50 | Landed | Track > |
| Sep 28 | STL | LAX | 22:47 | 00:29 | Delayed | Track > |
| Sep 27 | STL | LAX | 22:13 | 23:51 | Landed Late | Track > |
| Sep 25 | STL | LAX | 21:40 | 23:07 | Landed | Track > |
| Sep 24 | STL | LAX | 21:28 | 22:54 | Landed | Track > |
| Sep 23 | STL | LAX | 21:12 | 22:40 | Landed | Track > |
| Sep 22 | STL | LAX | 21:24 | 22:57 | Landed | Track > |
| Sep 21 | STL | LAX | 23:25 | 01:04 | Delayed | Track > |
| Sep 20 | STL | LAX | 22:36 | 00:04 | Delayed | Track > |
Southwest Airlines flight WN 3850 links St. Louis and Los Angeles, 2,557 km (1,589 mi) apart. The timetable allows 4 hours, but the flight usually takes about 3 h 30 min, so it often makes up time. It is not flying today; the last flight, on 30 September 2026, landed 21 minutes late.
About WN 3850
- Distance
- 2,557 km (1,589 mi)
- Typical flight time
- 3 h 30 min
- On time
- 5 of the last 7
- Average delay when late
- 34 min
- Usually departs from
- Terminal 2
WN 3850 FAQ
- How long is the WN3850 flight?
- The timetable allows 4 hours. St. Louis to Los Angeles is 2,557 km (1,589 mi).
- How often is WN3850 late?
- 2 of the last 7 flights arrived 15 or more minutes late; when late, by 34 minutes on average.
- Which terminal does WN3850 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 WN3850 have?
- Also listed as SWA3850 (Southwest Airlines' ICAO code) and WN 3850.
WN3850 and St. Louis STL to Los Angeles LAX Flights
Other flights departing from St. Louis STL: WN3832, WN3202, WN2330, DL1597
Other flights arriving at Los Angeles LAX: UA712, WN4743, MX1433
All flights connecting St. Louis STL to Los Angeles LAX.