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

🇺🇸 N319RG - Embraer EMB-175 LR - American Eagle ENY3817/MQ3817, Ronald Reagan Washington Ntl (DCA) to Kansas City (MCI) - 4.8 mi away @ 38325 ft, heading WSW at 524 mph. Spotted 12x before! [09:06:49 PM CDT] #A369BE #N319RG #E75L #ENVOY #ENY3817 #MQ3817 #autopilot #ADSB #ADSBbot