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

🇺🇸 N102DU - Airbus A220 100 - Delta Air Lines DAL2192/DL2192 - 3.6 mi away @ 15350 ft, heading NW at 371 mph. Spotted 26x before! [05:03:34 PM CST] #A00C80 #N102DU #BCS1 #DELTA #DAL2192 #DL2192 #ADSB #ADSBbot