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

🇺🇸 N119HQ - Embraer EMB-175 LR - American Eagle RPA4724/YX4724 (ORD-IAH-ORD) - 4.3 mi away @ 35150 ft, heading SW at 480 mph. Spotted 18x before. [11:08:10 AM CDT] #A04E60 #N119HQ #E75S #BRICKYARD #RPA4724 #YX4724 #autopilot #ADSB #ADSBbot