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

🇺🇸 N86309 - Embraer EMB-175 LR - United Express ASH3237/YV3237 - 4.5 mi away @ 40025 ft, heading WSW at 489 mph. Spotted 14x before! [10:18:19 PM CDT] #ABDC76 #N86309 #E75L #AIR_SHUTTLE #ASH3237 #YV3237 #autopilot #ADSB #ADSBbot