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

🇺🇸 N943NN - Boeing 737NG 823/W - American Airlines AAL2925/AA2925 (DFW-LGA-DFW) - 3.5 mi away @ 30525 ft, heading SW at 440 mph. Spotted 57x before! [02:42:26 PM CST] #AD1986 #N943NN #B738 #AMERICAN #AAL2925 #AA2925 #ADSB #ADSBbot