LL 5107 then QR 3544 at Barcelona
Prague → Barcelona → Ibiza
Timetable, Barcelona time
13:15LL 5107 from Prague at the gate
07:50QR 3544 to Ibiza leaves the gate
18 h 35 apart on the timetable, overnight
QR 3544 leaves 18 h 35 after LL 5107 arrives on the timetable: more than half a day, so not a connection we count.