WN3855 Flight Status Southwest Airlines: St. Louis to Kansas City (SWA3855)

Are you looking for the November 14th, 2026 WN 3855 San Francisco to San Diego flight? Go to our WN3855 San Francisco to San Diego Flight Status page >

WN 3855 St. Louis to Kansas City Flight Status

Not scheduled today (November 14th, 2026). Latest flight: September 26th, 2026 ; recent history is in the table below.

WN 3855 Flight Status & Schedule Southwest Airlines St. Louis to Kansas City

Date From To Departure Arrival Status Details
Sep 26 STL MCI 14:25 15:09 Landed Track >
Sep 19 STL MCI 14:45 15:26 Landed Track >
Sep 12 STL MCI 14:42 15:31 Landed Track >
Sep 05 STL MCI 14:40 15:19 Landed Track >
Aug 29 STL MCI 14:22 15:05 Landed Track >
Aug 22 STL MCI 14:36 15:22 Landed Track >
Aug 15 STL MCI 14:18 15:01 Landed Track >
Aug 08 STL MCI 15:07 15:48 Landed Late Track >

Southwest Airlines' St. Louis–Kansas City flight covers 380 km (236 mi). The timetable allows 1 h 5 min, but the flight usually takes about 45 min, so it often makes up time. It is not flying today; the last flight, on 26 September 2026, landed on time.

< All St. Louis STL Departures All Kansas City MCI Arrivals >

About WN 3855

Southwest Airlines Flight WN3855 connects St. Louis, United States to Kansas City, United States, taking off from St. Louis Lambert International Airport STL and landing at Kansas City International Airport MCI.

Route
St. Louis Lambert International Airport STL to Kansas City International Airport MCI
Distance
380 km (236 mi)
Typical flight time
45 min
On time
7 of the last 8
Average delay when late
28 min
Usually departs from
Terminal 2

WN 3855 FAQ

How long is the WN3855 flight from St. Louis to Kansas City?
The timetable allows 1 h 5 min. St. Louis to Kansas City is 380 km (236 mi).
How often is WN3855 from St. Louis to Kansas City late?
1 of the last 8 flights arrived 15 or more minutes late; when late, by 28 minutes on average.
When was the latest WN3855 flight from St. Louis to Kansas City?
The latest WN3855 was the 14:15 (local time) departure from St. Louis on 26 September 2026; it landed 11 minutes early.
Which terminal does WN3855 use?
It usually leaves from 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 WN3855 have?
Also listed as SWA3855 (Southwest Airlines' ICAO code) and WN 3855.

WN3855 and St. Louis STL to Kansas City MCI Flights

Other flights departing from St. Louis STL: WN1678, WN3181, WN4082, WN4593

Other flights arriving at Kansas City MCI: AA1622, WN2747, MQ3764, AA3764

All flights connecting St. Louis STL to Kansas City MCI.