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

🇺🇸 N47280 - Boeing 737MAX 8 - United Airlines UAL1716/UA1716, Nashville (BNA) to Denver (DEN) - 4.0 mi away @ 33750 ft, heading NW at 538 mph. Spotted 9x before! [08:17:16 AM CDT] #A5CC11 #N47280 #B38M #UNITED #UAL1716 #UA1716 #ADSB #ADSBbot