QR 3644 then QR 3544 at Barcelona
Rome → Barcelona → Ibiza
Timetable, Barcelona time
15:45QR 3644 from Rome at the gatealso IB 5339, LL 5339, VY 6009
07:25QR 3544 to Ibiza leaves the gate
15 h 40 apart on the timetable, overnight
QR 3544 leaves 15 h 40 after QR 3644 arrives on the timetable: more than half a day, so not a connection we count.