🇺🇸 N178DN - Boeing 767 332ER/W - Delta Air Lines DAL669/DL669, John F Kennedy (JFK) to San Francisco (SFO) - 5.0 mi away @ 38400 ft, heading W at 535 mph. Spotted 7x before. [10:42:37 AM CDT] #A1373D #N178DN #B763 #DELTA #DAL669 #DL669 #ADSB #ADSBbot