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

🇨🇦 C-GFVX - Boeing 737MAX 8 - WestJet WJA1590/WS1590, Calgary (YYC) to Hartsfield - Jackson Atlanta (ATL) - 4.7 mi away @ 39050 ft, heading SSE at 513 mph. Spotted once before! [02:38:39 PM CDT] #C05416 #C_GFVX #B38M #WESTJET #WJA1590 #WS1590 #ADSB #ADSBbot

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

🇨🇦 C-GFVX - Boeing 737MAX 8 - WestJet WJA1426/WS1426, Calgary (YYC) to Nashville (BNA) - 5.0 mi away @ 41375 ft, heading SE at 493 mph. Spotted for first time! [03:22:36 PM CDT] #C05416 #C_GFVX #B38M #WESTJET #WJA1426 #WS1426 #ADSB #ADSBbot