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

🇺🇸 N86311 - Embraer EMB-175 LR - United Express ASH3991/YV3991, Gerald R Ford (GRR) to George Bush Intcntl/Houston (IAH) - 4.2 mi away @ 35025 ft, heading SSW at 489 mph. Spotted 24x before. [07:23:37 AM CDT] #ABDC91 #N86311 #E75L #AIR_SHUTTLE #ASH3991 #YV3991 #autopilot #ADSB #ADSBbot