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

🇺🇸 N604UX - Embraer EMB-175 LL - United Express SKW5238/OO5238, General Mitchell (MKE) to George Bush Intcntl/Houston (IAH) - 4.1 mi away @ 35475 ft, heading SW at 456 mph. Spotted 17x before! [11:28:49 AM CDT] #A7D7F3 #N604UX #E75L #SKYWEST #SKW5238 #OO5238 #autopilot #ADSB #ADSBbot

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

🇺🇸 N604UX - Embraer EMB-175 LL - United Express SKW5607/OO5607, Chicago O'Hare (ORD) to Tucson (TUS) - 3.5 mi away @ 29725 ft, heading SW at 471 mph. Spotted 16x before! [10:38:51 AM CDT] #A7D7F3 #N604UX #E75L #SKYWEST #SKW5607 #OO5607 #autopilot #ADSB #ADSBbot

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

🇺🇸 N604UX - Embraer EMB-175 LL - United Express SKW4747/OO4747, Chicago O'Hare (ORD) to Northwest Arkansas Ntl (XNA) - 5.3 mi away @ 29525 ft, heading SW at 480 mph. Spotted 15x before! [09:29:53 AM CST] #A7D7F3 #N604UX #E75L #SKYWEST #SKW4747 #OO4747 #autopilot #ADSB #ADSBbot