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

🇺🇸 N88330 - Embraer EMB-175 LR - United Express ASH4056/YV4056, Detroit Metro Wayne County (DTW) to George Bush Intcntl/Houston (IAH) - 4.2 mi away @ 32450 ft, heading SW at 399 mph. Spotted 33x before! [05:38:16 PM CST] #AC2BD4 #N88330 #E75L #AIR_SHUTTLE #ASH4056 #YV4056 #autopilot #ADSB #ADSBbot