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

🇺🇸 N8852Q - Boeing 737MAX 8 - Southwest Airlines SWA314/WN314 - 3.9 mi away @ 33100 ft, heading SW at 438 mph. Spotted 74x before! [08:39:20 PM CDT] #AC3315 #N8852Q #B38M #SOUTHWEST #SWA314 #WN314 #ADSB #ADSBbot