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

🇺🇸 N287NN - Embraer EMB-175 LR - American Eagle ENY3436/MQ3436, St Louis Lambert (STL) to Dallas-Fort Worth (DFW) - 3.4 mi away @ 9625 ft, heading SW at 290 mph. Spotted 39x before! [10:32:29 PM CST] #A2E935 #N287NN #E75L #ENVOY #ENY3436 #MQ3436 #TakingOff #Departure #ADSB #ADSBbot