🇺🇸 N305DU - Airbus A220 300 - Delta Air Lines DAL572/DL572 (LGA-MCI-LGA) - 5.5 mi away @ 40500 ft, heading WSW at 491 mph. Spotted 21x before. [08:52:39 AM CDT] #A33243 #N305DU #BCS3 #DELTA #DAL572 #DL572 #ADSB #ADSBbot