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

🇺🇸 N453AA - Airbus A321 253NXSL - American Airlines AAL817/AA817, Philadelphia (PHL) to Los Angeles (LAX) - 4.2 mi away @ 32450 ft, heading W at 452 mph. Spotted 11x before. [04:43:38 PM CST] #A57D42 #N453AA #A21N #AMERICAN #AAL817 #AA817 #ADSB #ADSBbot