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

🇺🇸 N153SY - Embraer EMB-175 LR - United Express SKW4809/OO4809, Chicago O'Hare (ORD) to Wichita Dwight D Eisenhower Ntl (ICT) - 4.1 mi away @ 33550 ft, heading SW at 520 mph. Spotted 34x before! [09:48:03 AM CDT] #A0D6FB #N153SY #E75L #SKYWEST #SKW4809 #OO4809 #autopilot #ADSB #ADSBbot