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

🇺🇸 N240NN - Embraer EMB-175 LR - American Eagle ENY3580/MQ3580, Louis Armstrong New Orleans (MSY) to Chicago O'Hare (ORD) - 5.0 mi away @ 34450 ft, heading NNE at 528 mph. Spotted 30x before. [10:02:40 AM CST] #A23138 #N240NN #E75L #ENVOY #ENY3580 #MQ3580 #autopilot #ADSB #ADSBbot