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

🇺🇸 N455AN - Airbus A321 253NXSL - American Airlines AAL1141/AA1141, Philadelphia (PHL) to Los Angeles (LAX) - 9.1 mi away @ 29350 ft, heading WSW at 500 mph. Spotted 11x before! [02:34:16 PM CDT] #A584BC #N455AN #A21N #AMERICAN #AAL1141 #AA1141 #ADSB #ADSBbot