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

🇺🇸 N873NN - Boeing 737NG 823/W - American Airlines AAL9791/AA9791 - 3.6 mi away @ 5050 ft, heading WNW at 273 mph. Spotted 38x before! [08:11:15 AM CDT] #AC02B4 #N873NN #B738 #AMERICAN #AAL9791 #AA9791 #Landing #ADSB #ADSBbot