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

🇺🇸 N750BD - Embraer EMB-170 SE - American Eagle ENY3976/MQ3976, Louisville Muhammad Ali (SDF) to Chicago O'Hare (ORD) - 3.9 mi away @ 29800 ft, heading N at 540 mph. Spotted 12x before! [04:32:41 PM CDT] #AA1A26 #N750BD #E170 #ENVOY #ENY3976 #MQ3976 #autopilot #ADSB #ADSBbot