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

🇺🇸 N226NN - Embraer EMB-175 LR - American Eagle ENY3385/MQ3385, Greenville Spartanburg (GSP) to Dallas-Fort Worth (DFW) - 4.3 mi away @ 35725 ft, heading SW at 458 mph. Spotted 29x before! [09:57:59 PM CDT] #A1F884 #N226NN #E75L #ENVOY #ENY3385 #MQ3385 #autopilot #ADSB #ADSBbot