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

🇺🇸 N8680C - Boeing 737NG 8H4/W - Southwest Airlines SWA3499/WN3499, Denver (DEN) to General Edward Lawrence Logan (BOS) - 10.0 mi away @ 39100 ft, heading ENE at 548 mph. Spotted 82x before! [11:19:27 PM CDT] #ABEEEA #N8680C #B738 #SOUTHWEST #SWA3499 #WN3499 #ADSB #ADSBbot