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

🇨🇦 C-GWBU - Boeing 737NG 8CT/W - WestJet WJA1427/WS1427, Nashville (BNA) to Calgary (YYC) - 4.7 mi away @ 37925 ft, heading NW at 521 mph. Spotted 3x before! [05:25:12 PM CDT] #C07EEF #C_GWBU #B738 #WESTJET #WJA1427 #WS1427 #ADSB #ADSBbot

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

🇨🇦 C-GWBU - Boeing 737NG 8CT/W - WestJet WJA2437/WS2437, Cancun (CUN) to Winnipeg James Armstrong Richardson (YWG) - 5.0 mi away @ 35675 ft, heading NNW at 554 mph. Spotted 2x before! [05:50:45 PM CST] #C07EEF #C_GWBU #B738 #WESTJET #WJA2437 #WS2437 #ADSB #ADSBbot