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 SKW5741/OO5741, Nashville (BNA) to Chicago O'Hare (ORD) - 3.8 mi away @ 29525 ft, heading NNE at 540 mph. Spotted 33x before! [07:06:44 AM CST] #A19B18 #N202SY #E75L #SKYWEST #SKW5741 #OO5741 #autopilot #ADSB #ADSBbot