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

🇺🇸 N313AZ - Boeing 767 338ERBDSF - Prime Air ATN3321/8C3321, San Francisco (SFO) to Cincinnati/Northern Kentucky (CVG) - 4.5 mi away @ 34300 ft, heading ESE at 590 mph. Spotted 19x before. [10:33:35 AM CST] #A3520E #N313AZ #B763 #AIR_TRANSPORT #ATN3321 #8C3321 #ADSB #ADSBbot