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

🇺🇸 N806UA - Airbus A319 131 - United Airlines UAL505/UA505, Mc Ghee Tyson (TYS) to Denver (DEN) - 4.4 mi away @ 37450 ft, heading WNW at 473 mph. Spotted 38x before! [06:20:36 PM CDT] #AAF9EA #N806UA #A319 #UNITED #UAL505 #UA505 #ADSB #ADSBbot