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

🇺🇸 N929NN - Boeing 737NG 823/W - American Airlines AAL2137/AA2137, Dallas-Fort Worth (DFW) to General Edward Lawrence Logan (BOS) - 4.2 mi away @ 35400 ft, heading NE at 507 mph. Spotted 27x before! [10:03:26 PM CST] #ACE0D2 #N929NN #B738 #AMERICAN #AAL2137 #AA2137 #STL #ADSB