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 DAL2479/DL2479, San Antonio (SAT) to Detroit Metro Wayne County (DTW) - 4.8 mi away @ 38700 ft, heading ENE at 588 mph. Spotted 17x before! [01:16:29 PM CDT] #A37335 #N321NB #A319 #DELTA #DAL2479 #DL2479 #ADSB #ADSBbot