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

🇺🇸 N770YX - Embraer EMB-175 LR - United Express RPA3628/YX3628, Frederick W Smith (MEM) to Chicago O'Hare (ORD) - 3.5 mi away @ 29425 ft, heading NNE at 528 mph. Spotted 4x before. [07:26:53 PM CDT] #AA6B43 #N770YX #E75L #BRICKYARD #RPA3628 #YX3628 #autopilot #ADSB #ADSBbot

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

🇺🇸 N741YX - Embraer EMB-175 LR - United Express RPA3628/YX3628, Frederick W Smith (MEM) to Chicago O'Hare (ORD) - 5.1 mi away @ 31375 ft, heading NNE at 518 mph. Spotted 5x before. [07:35:19 PM CDT] #A9F87D #N741YX #E75L #BRICKYARD #RPA3628 #YX3628 #autopilot #ADSB #ADSBbot