🇺🇸 N603DN - AIRBUS S A S A321-271NX - DELTA AIR LINES INC DAL671/DL671, Salt Lake City (SLC) to John F Kennedy (JFK) - 6.3 mi away @ 37050 ft, heading E at 599 mph. Spotted for first time! [06:03:41 PM CDT] #A7D2BC #N603DN #A21N #DAL671 #DL671 #ADSB #ADSBbot