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

🇨🇦 C-FXYK - Boeing 737MAX 8 - WestJet WJA2046/WS2046, Calgary (YYC) to Lynden Pindling (NAS) - 4.5 mi away @ 37025 ft, heading SE at 557 mph. Spotted 3x before. [02:15:38 PM CST] #C03F37 #C_FXYK #B38M #WESTJET #WJA2046 #WS2046 #ADSB #ADSBbot

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

🇨🇦 C-FXYK - Boeing 737MAX 8 - WestJet WJA1599/WS1599, Hartsfield - Jackson Atlanta (ATL) to Vancouver (YVR) - 4.4 mi away @ 36975 ft, heading NW at 424 mph. Spotted 2x before! [09:20:05 AM CDT] #C03F37 #C_FXYK #B38M #WESTJET #WJA1599 #WS1599 #ADSB #ADSBbot