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

🇺🇸 N920XJ - Bombardier CRJ 900 LR NG - Delta Connection EDV5571/9E5571 - 3.8 mi away @ 33325 ft, heading WSW at 480 mph. Spotted 5x before! [10:55:58 PM CDT] #ACC040 #N920XJ #CRJ9 #ENDEAVOR #EDV5571 #9E5571 #ADSB #ADSBbot