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 ENY4057/MQ4057, Tulsa (TUL) to Chicago O'Hare (ORD) - 4.7 mi away @ 35175 ft, heading NNE at 523 mph. Spotted 24x before! [09:11:46 PM CDT] #A22003 #N236NN #E75L #ENVOY #ENY4057 #MQ4057 #autopilot #ADSB #ADSBbot