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

🇺🇸 N371CA - Bombardier CRJ 700 - Delta Connection EDV4958/9E4958 (ATL-MLI-ATL) - 4.3 mi away @ 36075 ft, heading N at 518 mph. Spotted once before! [06:37:42 PM CDT] #A437B5 #N371CA #CRJ7 #ENDEAVOR #EDV4958 #9E4958 #ADSB #ADSBbot