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

🇺🇸 N557GJ - Bombardier CRJ 700 - United Express GJS4411/G74411, Chicago O'Hare (ORD) to Memphis (MEM) - 4.1 mi away @ 35075 ft, heading SSW at 477 mph. Spotted 6x before! [04:27:55 PM CDT] #A71A0B #N557GJ #CRJ7 #LINDBERGH #GJS4411 #G74411 #ADSB #ADSBbot