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

🇺🇸 N154AA - Airbus A321 231SL - American Airlines AAL3066/AA3066, Ronald Reagan Washington Ntl (DCA) to Dallas-Fort Worth (DFW) - 4.4 mi away @ 36300 ft, heading SW at 529 mph. Spotted 16x before! [08:42:36 PM CDT] #A0D90C #N154AA #A321 #AMERICAN #AAL3066 #AA3066 #ADSB #ADSBbot