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

🇺🇸 N614UX - Embraer EMB-175 LL - United Express SKW5260/OO5260, Chicago O'Hare (ORD) to San Antonio (SAT) - 3.9 mi away @ 33475 ft, heading SW at 403 mph. Spotted 13x before! [10:55:38 AM CST] #A7FF72 #N614UX #E75L #SKYWEST #SKW5260 #OO5260 #autopilot #ADSB #ADSBbot