Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N900WN - Boeing 737NG 7H4/W - Southwest Airlines SWA2012/WN2012, Chicago Midway (MDW) to St Louis Lambert (STL) - 3.6 mi away @ 5150 ft, heading NW at 266 mph. Spotted 73x before! [02:18:00 PM CDT] #AC712D #N900WN #B737 #SOUTHWEST #SWA2012 #WN2012 #Landing #Arrival #ADSB #ADSBbot