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

🇺🇸 N303DD - Embraer EMB-175 LR - American Eagle ENY3460/MQ3460, Chicago O'Hare (ORD) to Springfield-Branson Ntl (SGF) - 3.4 mi away @ 29425 ft, heading SW at 490 mph. Spotted 38x before! [01:36:37 PM CST] #A32AC6 #N303DD #E75L #ENVOY #ENY3460 #MQ3460 #autopilot #ADSB #ADSBbot