QR 3733 then IB 416 at Barcelona
Mahón → Barcelona → Madrid
Timetable, Barcelona time
19:25QR 3733 from Mahón at the gate
17:00IB 416 to Madrid leaves the gatealso IB 416S, LL 3016, VY 5068, QR 6587, BA 7083, CZ 7325
21 h 35 apart on the timetable, overnight
IB 416 leaves 21 h 35 after QR 3733 arrives on the timetable: more than half a day, so not a connection we count.