IB 5809 then FR 7539 at Barcelona
Palermo → Barcelona → Milan
Timetable, Barcelona time
14:25IB 5809 from Palermo at the gatealso LL 5809, VY 6127
08:40FR 7539 to Milan leaves the gate
18 h 15 apart on the timetable, overnight
FR 7539 leaves 18 h 15 after IB 5809 arrives on the timetable: more than half a day, so not a connection we count.