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

🇨🇦 C-GCAM - Boeing 737MAX 8 - WestJet WJA1631/WS1631, Fort Lauderdale/Hollywood (FLL) to Calgary (YYC) - 4.4 mi away @ 35650 ft, heading NW at 481 mph. Spotted once before! [05:35:09 PM CST] #C049FD #C_GCAM #B38M #WESTJET #WJA1631 #WS1631 #ADSB #ADSBbot