WN4166 Flight Status Southwest Airlines: St. Louis to San Antonio (SWA4166)

Are you looking for the November 3rd, 2026 WN 4166 Houston to Indianapolis flight? Go to our WN4166 Houston to Indianapolis Flight Status page >

WN 4166 St. Louis to San Antonio Flight Status

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

WN 4166 Flight Status & Schedule Southwest Airlines St. Louis to San Antonio

Date From To Departure Arrival Status Details
Sep 30 STL SAT 20:54 22:40 Landed Track >
Sep 29 STL SAT 21:06 22:52 Landed Track >
Sep 28 STL SAT 21:00 22:40 Landed Track >
Sep 27 STL SAT 07:46 09:29 Landed Track >
Sep 25 STL SAT 21:03 22:47 Landed Track >
Sep 24 STL SAT 21:05 22:52 Landed Track >
Sep 23 STL SAT 21:05 22:49 Landed Track >
Sep 22 STL SAT 21:17 23:01 Landed Track >
Sep 21 STL SAT 21:55 23:46 Landed Late Track >
Sep 20 STL SAT 07:50 09:36 Landed Track >

Southwest Airlines operates WN 4166 from St. Louis to San Antonio, a 1,266 km (787 mi) trip. Its timetable allows 2 h 15 min; in practice it usually takes about 1 h 45 min, so 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 San Antonio SAT Arrivals >

About WN 4166

Route
St. Louis Lambert International Airport STL to San Antonio International Airport SAT
Distance
1,266 km (787 mi)
Typical flight time
1 h 45 min
On time
9 of the last 10
Average delay when late
46 min
Usually departs from
Terminal 2

WN 4166 FAQ

How long is the WN4166 flight?
The timetable allows 2 h 15 min. St. Louis to San Antonio is 1,266 km (787 mi).
How often is WN4166 late?
1 of the last 10 flights arrived 15 or more minutes late; when late, by 46 minutes on average.
Which terminal does WN4166 use?
It usually leaves from Terminal 2 at St. Louis Lambert International Airport (STL) and arrives at Terminal A at San Antonio International Airport (SAT). Check the flight card above for today's terminal and gate.
What other flight numbers does WN4166 have?
Also listed as SWA4166 (Southwest Airlines' ICAO code) and WN 4166.

WN4166 and St. Louis STL to San Antonio SAT Flights

Other flights departing from St. Louis STL: WN3821, WN3843, WN3878, WN3955

Other flights arriving at San Antonio SAT: WN1470, WN3911, WN518, WN2819

All flights connecting St. Louis STL to San Antonio SAT.