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

🇺🇸 N816NN - Boeing 737NG 823/W - American Airlines AAL3003/AA3003, Dallas-Fort Worth (DFW) to General Edward Lawrence Logan (BOS) - 4.4 mi away @ 37575 ft, heading NE at 649 mph. Spotted 37x before! [08:21:01 AM CST] #AB20DF #N816NN #B738 #AMERICAN #AAL3003 #AA3003 #ADSB #ADSBbot