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

🇺🇸 N110SY - Embraer EMB-175 LR - United Express SKW5493/OO5493, George Bush Intcntl/Houston (IAH) to General Mitchell (MKE) - 4.1 mi away @ 35250 ft, heading NNE at 528 mph. Spotted 27x before. [09:11:02 AM CDT] #A02DDA #N110SY #E75L #SKYWEST #SKW5493 #OO5493 #autopilot #ADSB #ADSBbot