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

🇺🇸 N810NN - Boeing 737NG 823/W - American Airlines AAL1876/AA1876, Dallas-Fort Worth (DFW) to Ronald Reagan Washington Ntl (DCA) - 3.8 mi away @ 34675 ft, heading E at 701 mph. Spotted 28x before! [05:18:04 PM CST] #AB0A95 #N810NN #B738 #AMERICAN #AAL1876 #AA1876 #ADSB #ADSBbot