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

🇺🇸 N625UX - Embraer EMB-175 LL - United Express SKW5455/OO5455, General Downing - Peoria (PIA) to Denver (DEN) - 5.0 mi away @ 31500 ft, heading SW at 502 mph. Spotted 18x before! [09:45:13 AM CDT] #A82AA8 #N625UX #E75L #SKYWEST #SKW5455 #OO5455 #autopilot #ADSB #ADSBbot