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

🇨🇦 C-GZSG - Boeing 737MAX 8 - WestJet WJA1272/WS1272, Calgary (YYC) to Orlando (MCO) - 4.5 mi away @ 37875 ft, heading SE at 612 mph. Spotted 5x before! [02:11:33 PM CDT] #C08887 #C_GZSG #B38M #WESTJET #WJA1272 #WS1272 #ADSB #ADSBbot

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

🇨🇦 C-GZSG - Boeing 737MAX 8 - WestJet WJA2376/WS2376, Calgary (YYC) to Punta Cana (PUJ) - 3.9 mi away @ 34775 ft, heading SE at 649 mph. Spotted 4x before! [03:56:08 AM CST] #C08887 #C_GZSG #B38M #WESTJET #WJA2376 #WS2376 #STL #ADSB