DL 168 then QR 3544 at Barcelona
New York JFK → Barcelona → Ibiza
Timetable, Barcelona time
08:35DL 168 from New York JFK at the gatealso AF 3597, KL 6039
07:45QR 3544 to Ibiza leaves the gate
23 h 10 apart on the timetable, overnight
QR 3544 leaves 23 h 10 after DL 168 arrives on the timetable: more than half a day, so not a connection we count.