QR 3733 then IB 5078 at Barcelona
Mahón → Barcelona → Lisbon
Timetable, Barcelona time
19:25QR 3733 from Mahón at the gate
19:20IB 5078 to Lisbon leaves the gate
23 h 55 apart on the timetable, overnight
IB 5078 leaves 23 h 55 after QR 3733 arrives on the timetable: more than half a day, so not a connection we count.