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

🇺🇸 N564GJ - Bombardier CRJ 700 - United Express GJS4383/G74383, St Louis Lambert (STL) to Chicago O'Hare (ORD) - 3.6 mi away @ 12375 ft, heading NW at 355 mph. Spotted 12x before! [11:37:25 AM CDT] #A73665 #N564GJ #CRJ7 #LINDBERGH #GJS4383 #G74383 #Landing #Departure #ADSB #ADSBbot