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

🇺🇸 N781EJ - Embraer EMB-170 SU - American Eagle ENY4178/MQ4178, Chicago O'Hare (ORD) to Memphis (MEM) - 5.5 mi away @ 36275 ft, heading SSW at 524 mph. Spotted 18x before! [09:51:11 AM CDT] #AA94AA #N781EJ #E170 #ENVOY #ENY4178 #MQ4178 #autopilot #ADSB #ADSBbot