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 ASH6251/YV6251, Detroit Metro Wayne County (DTW) to George Bush Intcntl/Houston (IAH) - 4.3 mi away @ 35275 ft, heading SW at 479 mph. Spotted 27x before! [11:17:11 AM CDT] #AC5331 #N89321 #E75L #AIR_SHUTTLE #ASH6251 #YV6251 #autopilot #ADSB #ADSBbot

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

🇺🇸 N89317 - Embraer EMB-175 LR - United Express ASH6251/YV6251, Detroit Metro Wayne County (DTW) to George Bush Intcntl/Houston (IAH) - 4.3 mi away @ 36275 ft, heading SSW at 527 mph. Spotted 25x before! [11:30:53 AM CDT] #AC5314 #N89317 #E75L #AIR_SHUTTLE #ASH6251 #YV6251 #autopilot #ADSB #ADSBbot

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

🇺🇸 N89313 - Embraer EMB-175 LR - United Express ASH6251/YV6251, Detroit Metro Wayne County (DTW) to George Bush Intcntl/Houston (IAH) - 4.3 mi away @ 35700 ft, heading SSW at 558 mph. Spotted 13x before! [11:15:41 AM CDT] #AC5310 #N89313 #E75L #AIR_SHUTTLE #ASH6251 #YV6251 #autopilot #ADSB #ADSBbot