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

🇺🇸 N741AK - Embraer EMB-170 SU - American Eagle ENY4162/MQ4162 (ORD-XNA-ORD) - 4.1 mi away @ 34500 ft, heading SW at 477 mph. Spotted 35x before. [07:37:33 AM CDT] #A9F64B #N741AK #E170 #ENVOY #ENY4162 #MQ4162 #autopilot #ADSB #ADSBbot