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

🇺🇸 N202SY - Embraer EMB-175 LR - United Express SKW6007/OO6007, Nashville (BNA) to Chicago O'Hare (ORD) - 4.0 mi away @ 31725 ft, heading NNE at 516 mph. Spotted 30x before! [07:15:23 PM CDT] #A19B18 #N202SY #E75L #SKYWEST #SKW6007 #OO6007 #autopilot #ADSB #ADSBbot