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

🇺🇸 N87364 - Embraer EMB-175 LL - United Express SKW5765/OO5765, St Louis Lambert (STL) to Denver (DEN) - 3.3 mi away @ 16175 ft, heading WNW at 384 mph. Spotted 2x before! [10:36:50 AM CDT] #AC04C2 #N87364 #E75L #SKYWEST #SKW5765 #OO5765 #autopilot #Departure #ADSB #ADSBbot