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

🇺🇸 N165NN - Airbus A321 231SL - American Airlines AAL512/AA512, Dallas-Fort Worth (DFW) to Philadelphia (PHL) - 4.2 mi away @ 34675 ft, heading NE at 677 mph. Spotted 11x before! [06:23:41 PM CST] #A1057A #N165NN #A321 #AMERICAN #AAL512 #AA512 #ADSB #ADSBbot