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

🇺🇸 N37536 - Boeing 737MAX 9 - United Airlines UAL700/UA700, Washington Dulles (IAD) to Denver (DEN) - 4.7 mi away @ 33625 ft, heading W at 536 mph. Spotted 6x before! [03:49:07 PM CDT] #A4493E #N37536 #B39M #UNITED #UAL700 #UA700 #ADSB #ADSBbot