LH 323 then 4Y 900 at Frankfurt
Palermo → Frankfurt am Main → Dubrovnik
Timetable, Frankfurt am Main time
14:30LH 323 from Palermo at the gate
09:254Y 900 to Dubrovnik leaves the gate
18 h 55 apart on the timetable, overnight
4Y 900 leaves 18 h 55 after LH 323 arrives on the timetable: more than half a day, so not a connection we count.