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

🇺🇸 N510UW - Airbus A321 231 - American Airlines AAL2017/AA2017, Charlotte/Douglas (CLT) to Los Angeles (LAX) - 3.6 mi away @ 29500 ft, heading WNW at 460 mph. Spotted 7x before! [09:08:48 PM CST] #A66346 #N510UW #A321 #AMERICAN #AAL2017 #AA2017 #ADSB #ADSBbot