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

🇺🇸 N741UW - Airbus A319 112 - American Airlines AAL2027/AA2027 (ORD-IAH-ORD) - 4.2 mi away @ 35475 ft, heading SW at 529 mph. Spotted 24x before! [02:20:32 PM CDT] #A9F818 #N741UW #A319 #AMERICAN #AAL2027 #AA2027 #ADSB #ADSBbot