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

🇺🇸 N479UA - Airbus A320 232 - United Airlines UAL2175/UA2175 (PHL-DEN-IAH) - 4.5 mi away @ 35800 ft, heading W at 530 mph. Spotted 34x before! [04:33:29 PM CDT] #A5E44C #N479UA #A320 #UNITED #UAL2175 #UA2175 #ADSB #ADSBbot