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

🇺🇸 N619UX - Embraer EMB-175 LL - United Express SKW4681/OO4681, Denver (DEN) to Blue Grass (LEX) - 4.9 mi away @ 37100 ft, heading E at 570 mph. Spotted 17x before! [09:42:55 PM CDT] #A81205 #N619UX #E75L #SKYWEST #SKW4681 #OO4681 #autopilot #ADSB #ADSBbot

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

🇺🇸 N619UX - Embraer EMB-175 LL - United Express SKW5777/OO5777, Denver (DEN) to Wilmington (ILM) - 4.3 mi away @ 36950 ft, heading E at 555 mph. Spotted 16x before! [12:30:31 PM CDT] #A81205 #N619UX #E75L #SKYWEST #SKW5777 #OO5777 #autopilot #ADSB #ADSBbot

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

🇺🇸 N619UX - Embraer EMB-175 LL - United Express SKW5795/OO5795, Chicago O'Hare (ORD) to Tulsa (TUL) - 4.2 mi away @ 36075 ft, heading WSW at 457 mph. Spotted 15x before! [09:45:17 AM CST] #A81205 #N619UX #E75L #SKYWEST #SKW5795 #OO5795 #autopilot #ADSB #ADSBbot