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

🇺🇸 N321NB - Airbus A319 114 - Delta Air Lines DAL545/DL545, John F Kennedy (JFK) to Palm Springs (PSP) - 4.3 mi away @ 34075 ft, heading WSW at 491 mph. Spotted 27x before. [11:30:24 AM CST] #A37335 #N321NB #A319 #DELTA #DAL545 #DL545 #ADSB #ADSBbot