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

🇺🇸 N236NN - Embraer EMB-175 LR - American Eagle ENY3935/MQ3935, Birmingham-Shuttlesworth (BHM) to Dallas-Fort Worth (DFW) - 5.8 mi away @ 35575 ft, heading W at 480 mph. Spotted 23x before! [12:21:21 PM CDT] #A22003 #N236NN #E75L #ENVOY #ENY3935 #MQ3935 #autopilot #ADSB #ADSBbot