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

🇺🇸 N959NN - Boeing 737NG 823/W - American Airlines AAL3103/AA3103 (DFW-LGA-DFW) - 4.0 mi away @ 32475 ft, heading NE at 574 mph. Spotted 36x before! [01:04:04 PM CDT] #AD574F #N959NN #B738 #AMERICAN #AAL3103 #AA3103 #ADSB #ADSBbot