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

🇺🇸 N122DU - Airbus A220 100 - Delta Air Lines DAL352/DL352, Laguardia (LGA) to Dallas-Fort Worth (DFW) - 4.6 mi away @ 36475 ft, heading SW at 365 mph. Spotted 22x before! [08:02:00 PM CST] #A05B7E #N122DU #BCS1 #DELTA #DAL352 #DL352 #ADSB #ADSBbot