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

🇺🇸 N8744B - Boeing 737MAX 8 - Southwest Airlines SWA6411/WN6411, Phoenix Sky Harbor (PHX) to Indianapolis (IND) - 4.6 mi away @ 36225 ft, heading E at 624 mph. Spotted 51x before! [05:11:01 PM CDT] #AC0818 #N8744B #B38M #SOUTHWEST #SWA6411 #WN6411 #ADSB #ADSBbot