LL 5280 then LA 5754 at Barcelona
Mahón → Barcelona → Alicante
Timetable, Barcelona time
18:40LL 5280 from Mahón at the gate
12:40LA 5754 to Alicante leaves the gate
18 h apart on the timetable, overnight
LA 5754 leaves 18 h after LL 5280 arrives on the timetable: more than half a day, so not a connection we count.