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

🇨🇦 C-FDMB - Boeing 737NG 8CT/W - WestJet WJA1272/WS1272, Calgary (YYC) to Orlando (MCO) - 4.7 mi away @ 39850 ft, heading SSE at 516 mph. Spotted 3x before! [02:10:37 PM CDT] #C00926 #C_FDMB #B738 #WESTJET #WJA1272 #WS1272 #ADSB #ADSBbot