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

🇺🇸 N8866H - Boeing 737MAX 8 - Southwest Airlines SWA954/WN954 (ONT-LAS-PHX-CMH) - 32.5 mi away @ 37300 ft, heading E at 602 mph. Spotted 97x before. [09:17:25 PM CST] #AC3751 #N8866H #B38M #SOUTHWEST #SWA954 #WN954 #ADSB #ADSBbot