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

🇺🇸 N914UY - Airbus A321 231 - American Airlines AAL854/AA854, Seattle-Tacoma (SEA) to Charlotte/Douglas (CLT) - 8.0 mi away @ 36500 ft, heading ESE at 567 mph. Spotted 10x before! [12:27:31 PM CDT] #ACA760 #N914UY #A321 #AMERICAN #AAL854 #AA854 #ADSB #ADSBbot