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

🇺🇸 N406AN - Airbus A321 253NXSL - American Airlines AAL1686/AA1686, Philadelphia (PHL) to Los Angeles (LAX) - 4.0 mi away @ 33550 ft, heading WSW at 570 mph. Spotted 9x before! [06:52:40 AM CDT] #A4C2F8 #N406AN #A21N #AMERICAN #AAL1686 #AA1686 #ADSB #ADSBbot