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

🇺🇸 N820DX - Boeing 757 26D/W - Delta Air Lines DAL629/DL629, Hartsfield - Jackson Atlanta (ATL) to Seattle-Tacoma (SEA) - 3.8 mi away @ 32150 ft, heading NW at 436 mph. Spotted once before! [03:37:14 PM CST] #AB313C #N820DX #B752 #DELTA #DAL629 #DL629 #ADSB #ADSBbot