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

🇨🇦 C-FLWK - SWG562/WG562, General Rafael Buelna (MZT) to Toronto Pearson (YYZ) - 5.0 mi away @ 37100 ft, heading NE at 564 mph. Spotted 2x before! [05:58:14 PM CST] #C01F53 #C_FLWK #B738 #SWG562 #WG562 #ADSB #ADSBbot