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

🇺🇸 N14237 - Boeing 737NG 824/W - United Airlines UAL8116/UA8116, Halifax Robert L. Stanfield (YHZ) to General Edward Lawrence Logan (BOS) - 3.4 mi away @ 13225 ft, heading WNW at 453 mph. Spotted 12x before! [07:38:37 PM CDT] #A0ACFF #N14237 #B738 #UNITED #UAL8116 #UA8116 #TakingOff #ADSB #ADSBbot