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

🇨🇦 C-GCJZ - Bombardier CRJ 900 LR NG - Air Canada Express JZA812/QK812, Dallas-Fort Worth (DFW) to Montréal-Pierre Elliott Trudeau (YUL) - 4.7 mi away @ 37900 ft, heading NE at 604 mph. Spotted 4x before. [01:39:42 PM CDT] #C04AF4 #C_GCJZ #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-GCJZ - Bombardier CRJ 900 LR NG - Air Canada Express JZA812/QK812, Dallas-Fort Worth (DFW) to Montréal-Pierre Elliott Trudeau (YUL) - 4.6 mi away @ 38150 ft, heading NE at 564 mph. Spotted 3x before. [01:53:24 PM CDT] #C04AF4 #C_GCJZ #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-GCJZ - Bombardier CRJ 900 LR NG - Air Canada Express JZA813/QK813, Montréal-Pierre Elliott Trudeau (YUL) to Dallas-Fort Worth (DFW) - 4.1 mi away @ 36975 ft, heading SW at 473 mph. Spotted 2x before. [07:47:16 PM CDT] #C04AF4 #C_GCJZ #CRJ9 #JAZZ #JZA813 #QK813 #ADSB #ADSBbot

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

🇨🇦 C-GCJZ - Bombardier CRJ 900 LR NG - Air Canada Express JZA812/QK812, Dallas-Fort Worth (DFW) to Montréal-Pierre Elliott Trudeau (YUL) - 4.7 mi away @ 37075 ft, heading NE at 585 mph. Spotted once before. [01:47:00 PM CST] #C04AF4 #C_GCJZ #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-GCJZ - Bombardier CRJ 900 LR NG - Air Canada Express JZA813/QK813, Montréal-Pierre Elliott Trudeau (YUL) to Dallas-Fort Worth (DFW) - 4.3 mi away @ 36500 ft, heading SW at 471 mph. Spotted for first time! [08:17:36 PM CST] #C04AF4 #C_GCJZ #CRJ9 #JAZZ #JZA813 #QK813 #ADSB #ADSBbot