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

🇺🇸 N87303 - Embraer EMB-175 LR - United Express ASH6038/YV6038, George Bush Intcntl/Houston (IAH) to Detroit Metro Wayne County (DTW) - 4.1 mi away @ 36300 ft, heading NNE at 625 mph. Spotted 24x before! [03:18:40 PM CDT] #AC03EF #N87303 #E75L #AIR_SHUTTLE #ASH6038 #YV6038 #autopilot #ADSB #ADSBbot