LL 5270 then EC 7151 at Barcelona
Mahón → Barcelona → Milan
Timetable, Barcelona time
10:15LL 5270 from Mahón at the gate
07:30EC 7151 to Milan leaves the gate
21 h 15 apart on the timetable, overnight
EC 7151 leaves 21 h 15 after LL 5270 arrives on the timetable: more than half a day, so not a connection we count.