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

🇨🇦 C-GJXM - Embraer Praetor 600 - Skyservice Business Aviation SYB999, Northwest Arkansas Ntl (XNA) to Montréal-Pierre Elliott Trudeau (YUL) - 4.4 mi away @ 38675 ft, heading ENE at 653 mph. Spotted for first time! [12:11:13 PM CST] #C05ECF #C_GJXM #E550 #SKYBIZ #SYB999 #ADSB #ADSBbot