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

🇺🇸 N730YX - Embraer EMB-175 LR - United Express RPA3683/YX3683, Northwest Florida Beaches (ECP) to Chicago O'Hare (ORD) - 4.1 mi away @ 34200 ft, heading NNE at 544 mph. Spotted 5x before. [11:53:40 AM CDT] #A9CD47 #N730YX #E75L #BRICKYARD #RPA3683 #YX3683 #autopilot #ADSB #ADSBbot

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

🇺🇸 N757YX - Embraer EMB-175 LR - United Express RPA3683/YX3683, Northwest Florida Beaches (ECP) to Chicago O'Hare (ORD) - 3.8 mi away @ 30600 ft, heading NNE at 489 mph. Spotted 3x before. [12:04:45 PM CDT] #AA3646 #N757YX #E75L #BRICKYARD #RPA3683 #YX3683 #autopilot #ADSB #ADSBbot