DL 168 then VY 1620 at Barcelona
New York JFK → Barcelona → Santiago de Compostela
Timetable, Barcelona time
08:35DL 168 from New York JFK at the gatealso AF 3597, KL 6039
07:10VY 1620 to Santiago de Compostela leaves the gatealso IB 5200, LL 5200
22 h 35 apart on the timetable, overnight
VY 1620 leaves 22 h 35 after DL 168 arrives on the timetable: more than half a day, so not a connection we count.