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

🇺🇸 N459AN - Airbus A321 253NXSL - American Airlines AAL2444/AA2444, Phoenix Sky Harbor (PHX) to Philadelphia (PHL) - 4.3 mi away @ 35475 ft, heading ENE at 585 mph. Spotted 12x before! [01:26:07 PM CST] #A59398 #N459AN #A21N #AMERICAN #AAL2444 #AA2444 #ADSB #ADSBbot