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

🇺🇸 N916US - Airbus A321 231 - American Airlines AAL2990/AA2990 (PHX-CVG-PHX) - 4.1 mi away @ 36050 ft, heading WSW at 485 mph. Spotted 16x before! [05:51:58 PM CDT] #ACAEC8 #N916US #A321 #AMERICAN #AAL2990 #AA2990 #ADSB #ADSBbot