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

🇺🇸 N275WN - Boeing 737NG 7H4/W - Southwest Airlines SWA9000/WN9000 (IND-LAS-BOI) - 3.3 mi away @ 7725 ft, heading E at 345 mph. Spotted 73x before. [04:40:36 PM CST] #A2BB10 #N275WN #B737 #SOUTHWEST #SWA9000 #WN9000 #Landing #ADSB #ADSBbot