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

🇺🇸 N124SY - Embraer EMB-175 LR - United Express SKW5350/OO5350, Roanoke/Blacksburg Regional (Woodrum Field) (ROA) to Chicago O'Hare (ORD) - 4.1 mi away @ 34800 ft, heading NNE at 554 mph. Spotted 37x before! [07:42:03 PM CDT] #A06435 #N124SY #E75L #SKYWEST #SKW5350 #OO5350 #autopilot #ADSB #ADSBbot