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

🇺🇸 N556NW - Boeing 757 251/W - Delta Air Lines DAL315/DL315, Hartsfield - Jackson Atlanta (ATL) to Jackson Hole (JAC) - 5.1 mi away @ 40425 ft, heading WNW at 500 mph. Spotted 2x before! [06:49:09 PM CDT] #A716F6 #N556NW #B752 #DELTA #DAL315 #DL315 #ADSB #ADSBbot