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

🇺🇸 N884NN - Boeing 737NG 823/W - American Airlines AAL1622/AA1622 (MIA-STL-MIA) - 3.5 mi away @ 4025 ft, heading WNW at 251 mph. Spotted 43x before. [09:44:21 AM CDT] #AC2DEA #N884NN #B738 #AMERICAN #AAL1622 #AA1622 #Landing #ADSB #ADSBbot