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

🇺🇸 N8679A - Boeing 737NG 8H4/W - Southwest Airlines SWA4510/WN4510, Dallas Love Field (DAL) to Chicago Midway (MDW) - 4.9 mi away @ 40900 ft, heading NNE at 513 mph. Spotted 74x before! [08:47:47 PM CDT] #ABEC6C #N8679A #B738 #SOUTHWEST #SWA4510 #WN4510 #ADSB #ADSBbot