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

🇺🇸 N503DN - Airbus A350 941 - Delta Air Lines DAL294/DL294, Tokyo (HND) to Hartsfield - Jackson Atlanta (ATL) - 12.2 mi away @ 40950 ft, heading SE at 636 mph. Spotted 3x before! [04:26:38 PM CST] #A6456D #N503DN #A359 #DELTA #DAL294 #DL294 #ADSB #ADSBbot