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

🇺🇸 N876UA - Airbus A319 132 - United Airlines UAL8215/UA8215, Washington Dulles (IAD) to Denver (DEN) - 3.4 mi away @ 3300 ft, heading NNE at 197 mph. Spotted 36x before! [10:00:37 PM CDT] #AC0E63 #N876UA #A319 #UNITED #UAL8215 #UA8215 #Landing #ADSB #ADSBbot