QR 3733 then QR 4699 at Barcelona
Mahón → Barcelona → Brussels
Timetable, Barcelona time
19:25QR 3733 from Mahón at the gate
19:00QR 4699 to Brussels leaves the gatealso IB 5026, LL 5026
23 h 35 apart on the timetable, overnight
QR 4699 leaves 23 h 35 after QR 3733 arrives on the timetable: more than half a day, so not a connection we count.