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

🇺🇸 N311GT - Boeing 737 4K5SF - Kalitta Charters II KII124 - 3.5 mi away @ 19850 ft, heading NW at 426 mph. Spotted 18x before! [08:06:53 AM CDT] #A34B30 #N311GT #B734 #DRAGSTER #KII124 #ADSB #ADSBbot