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

🇺🇸 N928AM - Airbus A321 231SL - American Airlines AAL1511/AA1511, Phoenix Sky Harbor (PHX) to Philadelphia (PHL) - 4.4 mi away @ 36775 ft, heading E at 578 mph. Spotted 11x before! [09:25:33 AM CDT] #ACDBEE #N928AM #A321 #AMERICAN #AAL1511 #AA1511 #ADSB #ADSBbot