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

🇨🇦 C-GJUZ - Bombardier CRJ 900 LR NG - Air Canada Express JZA812/QK812, Dallas-Fort Worth (DFW) to Montréal-Pierre Elliott Trudeau (YUL) - 4.7 mi away @ 37950 ft, heading NE at 561 mph. Spotted 2x before. [01:49:14 PM CST] #C05E8E #C_GJUZ #CRJ9 #JAZZ #JZA812 #QK812 #ADSB #ADSBbot

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

🇨🇦 C-GJUZ - Bombardier CRJ 900 LR NG - Air Canada Express JZA813/QK813, Montréal-Pierre Elliott Trudeau (YUL) to Dallas-Fort Worth (DFW) - 4.8 mi away @ 38775 ft, heading SW at 460 mph. Spotted once before. [09:25:24 PM CST] #C05E8E #C_GJUZ #CRJ9 #JAZZ #JZA813 #QK813 #ADSB #ADSBbot