🇺🇸 N529DT - Airbus A321 271NXSL - Delta Air Lines DAL448/DL448, Seattle-Tacoma (SEA) to Orlando (MCO) - 4.7 mi away @ 36975 ft, heading SE at 561 mph. Spotted 8x before. [04:54:16 AM CDT] #A6AABA #N529DT #A21N #DELTA #DAL448 #DL448 #ADSB #ADSBbot