🇺🇸 N878DN - Boeing 737NG 900ER/W - Delta Air Lines DAL1643/DL1643, Austin-Bergstrom (AUS) to John F Kennedy (JFK) - 4.9 mi away @ 36950 ft, heading NE at 613 mph. Spotted 25x before. [08:02:18 PM CDT] #AC1466 #N878DN #B739 #DELTA #DAL1643 #DL1643 #ADSB #ADSBbot