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

🇺🇸 N76532 - Boeing 737NG 824/W - United Airlines UAL8114/UA8114 (BOS-ORD-SEA) - 3.4 mi away @ 8275 ft, heading E at 321 mph. Spotted 5x before! [09:27:45 PM CDT] #AA56F7 #N76532 #B738 #UNITED #UAL8114 #UA8114 #Landing #ADSB #ADSBbot