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

🇺🇸 N501DA - Airbus A321 271NXSL - Delta Air Lines DAL887/DL887, John F Kennedy (JFK) to Salt Lake City (SLC) - 6.5 mi away @ 31425 ft, heading W at 494 mph. Spotted 5x before! [05:22:35 PM CDT] #A63DF3 #N501DA #A21N #DELTA #DAL887 #DL887 #ADSB #ADSBbot