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

🇨🇦 C-FYPB - Boeing 737NG 8CT/W - WestJet WJA1253/WS1253, Orlando (MCO) to Regina (YQR) - 4.3 mi away @ 37075 ft, heading NNW at 418 mph. Spotted for first time! [05:40:32 PM CST] #C040E8 #C_FYPB #B738 #WESTJET #WJA1253 #WS1253 #ADSB #ADSBbot