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

🇺🇸 N8952Q - BOEING 737 MAX 8 - Southwest Airlines SWA561/WN561, Ontario (ONT) to Chicago Midway (MDW) - 7.7 mi away @ 38700 ft, heading NE at 601 mph. Spotted 8x before! [11:38:24 AM CDT] #AC5A94 #N8952Q #B38M #SOUTHWEST #SWA561 #WN561 #ADSB #ADSBbot