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

🇺🇸 N482WN - Boeing 737NG 7H4/W - Southwest Airlines SWA3515/WN3515, Kansas City (MCI) to Ronald Reagan Washington Ntl (DCA) - 4.7 mi away @ 39150 ft, heading E at 509 mph. Spotted 70x before! [08:30:09 AM CDT] #A5F208 #N482WN #B737 #SOUTHWEST #SWA3515 #WN3515 #ADSB #ADSBbot