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

🇺🇸 N565GJ - Bombardier CRJ 700 - United Express GJS4390/G74390, Memphis (MEM) to Chicago O'Hare (ORD) - 4.3 mi away @ 35550 ft, heading NNE at 539 mph. Spotted 10x before! [06:52:51 PM CDT] #A73A1C #N565GJ #CRJ7 #LINDBERGH #GJS4390 #G74390 #ADSB #ADSBbot