🇺🇸 N144DU - Airbus A220 100 - Delta Air Lines DAL1224/DL1224, St Louis Lambert (STL) to Minneapolis-St Paul/Wold-Chamberlain (MSP) - 3.4 mi away @ 6675 ft, heading W at 304 mph. Spotted 17x before. [05:45:48 PM CDT] #A0B1EA #N144DU #BCS1 #DELTA #DAL1224 #DL1224 #TakingOff #Departure #ADSB #ADSBbot