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

🇺🇸 N302DU - Airbus A220 300 - Delta Air Lines DAL720/DL720, Hartsfield - Jackson Atlanta (ATL) to Santa Barbara Municipal (SBA) - 4.0 mi away @ 33400 ft, heading WNW at 450 mph. Spotted 15x before! [07:28:20 PM CST] #A3271E #N302DU #BCS3 #DELTA #DAL720 #DL720 #ADSB #ADSBbot