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

🇺🇸 N931AN - Boeing 737NG 823/W - American Airlines AAL819/AA819, Dallas-Fort Worth (DFW) to Ronald Reagan Washington Ntl (DCA) - 4.0 mi away @ 35500 ft, heading NE at 657 mph. Spotted 39x before! [06:22:50 PM CST] #ACE96D #N931AN #B738 #AMERICAN #AAL819 #AA819 #ADSB #ADSBbot