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

🇺🇸 N554UW - Airbus A321 231 - American Airlines AAL1044/AA1044, Charlotte/Douglas (CLT) to Phoenix Sky Harbor (PHX) - 4.0 mi away @ 31500 ft, heading WNW at 524 mph. Spotted 12x before! [01:34:34 PM CDT] #A7101E #N554UW #A321 #AMERICAN #AAL1044 #AA1044 #ADSB #ADSBbot