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 ENY3931/MQ3931, Chicago O'Hare (ORD) to Northwest Arkansas Ntl (XNA) - 4.1 mi away @ 35450 ft, heading SW at 483 mph. Spotted 10x before! [12:57:54 PM CST] #A9F64B #N741AK #E170 #ENVOY #ENY3931 #MQ3931 #autopilot #ADSB #ADSBbot