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

🇺🇸 N745AX - BOEING 767-232 - Abx Air ABX2049/GB2049 - 4.8 mi away @ 40850 ft, heading ESE at 592 mph. Spotted for first time! [09:41:11 PM CDT] #AA0533 #N745AX #B762 #ABEX #ABX2049 #GB2049 #ADSB #ADSBbot