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

🇺🇸 N8875B - Boeing 737MAX 8 - Southwest Airlines SWA2720/WN2720 (DEN-SMF-LAX) - 3.4 mi away @ 8375 ft, heading E at 329 mph. Spotted 55x before! [11:23:31 PM CDT] #AC3ADF #N8875B #B38M #SOUTHWEST #SWA2720 #WN2720 #Landing #ADSB #ADSBbot