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

🇺🇸 N124DX - Airbus A321 211SL - Delta Air Lines DAL369/DL369, Detroit Metro Wayne County (DTW) to San Diego (SAN) - 4.3 mi away @ 35875 ft, heading WSW at 491 mph. Spotted 9x before! [04:37:20 PM CDT] #A062EF #N124DX #A321 #DELTA #DAL369 #DL369 #ADSB #ADSBbot