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

🇺🇸 N67812 - Boeing 737NG 924ER/W - United Airlines UAL2705/UA2705, Washington Dulles (IAD) to Denver (DEN) - 4.2 mi away @ 36200 ft, heading W at 520 mph. Spotted 12x before! [10:52:10 AM CDT] #A8FC06 #N67812 #B739 #UNITED #UAL2705 #UA2705 #ADSB #ADSBbot