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

🇺🇸 N57869 - Boeing 757 33N/W - United Airlines UAL419/UA419, Washington Dulles (IAD) to Denver (DEN) - 4.5 mi away @ 36025 ft, heading WSW at 566 mph. Spotted 6x before! [09:47:14 AM CDT] #A76F6D #N57869 #B753 #UNITED #UAL419 #UA419 #ADSB #ADSBbot