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

🇺🇸 N8310C - Boeing 737NG 8H4/W - Southwest Airlines SWA2749/WN2749, Denver (DEN) to Nashville (BNA) - 4.6 mi away @ 38825 ft, heading ESE at 539 mph. Spotted 67x before! [03:53:15 PM CDT] #AB5E6C #N8310C #B738 #SOUTHWEST #SWA2749 #WN2749 #ADSB #ADSBbot