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

🇺🇸 N441UW - Airbus A321 253NXSL - American Airlines AAL653/AA653, Phoenix Sky Harbor (PHX) to Philadelphia (PHL) - 4.5 mi away @ 36875 ft, heading ENE at 593 mph. Spotted 8x before! [08:13:25 PM CDT] #A5502B #N441UW #A21N #AMERICAN #AAL653 #AA653 #ADSB #ADSBbot