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

🇺🇸 N8716B - Boeing 737MAX 8 - Southwest Airlines SWA2251/WN2251, Dallas Love Field (DAL) to Chicago Midway (MDW) - 4.6 mi away @ 39575 ft, heading NNE at 553 mph. Spotted 51x before! [06:56:52 PM CDT] #ABFD39 #N8716B #B38M #SOUTHWEST #SWA2251 #WN2251 #ADSB #ADSBbot