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

🇺🇸 N578DN - Airbus A321 271NXSL - Delta Air Lines DAL333/DL333, Harry Reid (LAS) to John F Kennedy (JFK) - 4.1 mi away @ 35675 ft, heading ENE at 651 mph. Spotted 6x before. [01:20:50 PM CST] #A76C79 #N578DN #A21N #DELTA #DAL333 #DL333 #ADSB #ADSBbot