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

🇺🇸 N647RW - Embraer EMB-170 SE - United Express RPA3593/YX3593, Chicago O'Hare (ORD) to Northwest Arkansas Ntl (XNA) - 4.4 mi away @ 35050 ft, heading SW at 469 mph. Spotted 5x before. [01:27:34 PM CDT] #A880C8 #N647RW #E170 #BRICKYARD #RPA3593 #YX3593 #autopilot #ADSB #ADSBbot