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

🇺🇸 N629SW - Boeing 737 3H4/W - iAero Airways BBQ9736 - 4.2 mi away @ 34125 ft, heading NE at 538 mph. Spotted once before! [12:36:24 PM CST] #A83951 #N629SW #B733 #SWIFTFLIGHT #BBQ9736 #ADSB #ADSBbot