EW 520 then QR 3650 at Barcelona
Cologne → Barcelona → Mahón
Timetable, Barcelona time
16:50EW 520 from Cologne at the gate
15:20QR 3650 to Mahón leaves the gatealso IB 5277, LL 5277
22 h 30 apart on the timetable, overnight
QR 3650 leaves 22 h 30 after EW 520 arrives on the timetable: more than half a day, so not a connection we count.