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

🇺🇸 N89321 - Embraer EMB-175 LR - United Express ASH6032/YV6032, Cincinnati/Northern Kentucky (CVG) to George Bush Intcntl/Houston (IAH) - 4.0 mi away @ 32925 ft, heading WSW at 484 mph. Spotted 15x before! [11:27:23 AM CDT] #AC5331 #N89321 #E75L #AIR_SHUTTLE #ASH6032 #YV6032 #ADSB #ADSBbot