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

🇺🇸 N402YX - Embraer EMB-175 LR - American Eagle RPA4521/YX4521, Nashville (BNA) to Chicago O'Hare (ORD) - 4.2 mi away @ 32900 ft, heading NNE at 562 mph. Spotted 26x before. [09:25:34 AM CST] #A4B64B #N402YX #E75S #BRICKYARD #RPA4521 #YX4521 #autopilot #ADSB #ADSBbot