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

🇺🇸 N606UX - Embraer EMB-175 LL - United Express SKW5764/OO5764, Mc Ghee Tyson (TYS) to Denver (DEN) - 3.7 mi away @ 31200 ft, heading W at 455 mph. Spotted 19x before. [04:35:53 PM CST] #A7DF61 #N606UX #E75L #SKYWEST #SKW5764 #OO5764 #autopilot #ADSB #ADSBbot