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

🇺🇸 N8533S - Boeing 737NG 800/W - Southwest Airlines SWA1373/WN1373, Denver (DEN) to Indianapolis (IND) - 10.3 mi away @ 38250 ft, heading E at 574 mph. Spotted 65x before! [10:31:52 PM CDT] #ABB54F #N8533S #B738 #SOUTHWEST #SWA1373 #WN1373 #ADSB #ADSBbot