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

🇺🇸 N243SY - Embraer EMB-175 LR - Delta Connection SKW3719/OO3719, Memphis (MEM) to Minneapolis-St Paul/Wold-Chamberlain (MSP) - 4.2 mi away @ 34050 ft, heading NNW at 444 mph. Spotted 2x before. [01:09:38 PM CST] #A23CCB #N243SY #E75L #SKYWEST #SKW3719 #OO3719 #autopilot #ADSB #ADSBbot