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

🇨🇦 C-GFGC - Bombardier Challenger 604 - Chartright Air HRT623, Dallas-Fort Worth (DFW) to Austin-Bergstrom (AUS) - 5.6 mi away @ 41925 ft, heading NE at 617 mph. Spotted once before. [02:37:43 PM CDT] #C0527B #C_GFGC #CL60 #CHARTRIGHT #HRT623 #ADSB #ADSBbot