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

🇺🇸 N770YX - Embraer EMB-175 LR - United Express RPA3318/YX3318, Memphis (MEM) to St Louis Lambert (STL) - 3.6 mi away @ 2800 ft, heading NNE at 257 mph. Spotted 3x before. [09:52:43 PM CST] #AA6B43 #N770YX #E75L #BRICKYARD #RPA3318 #YX3318 #autopilot #Landing #Arrival #ADSB #ADSBbot