LH 873 then 4Y 900 at Frankfurt
Bergen → Frankfurt am Main → Dubrovnik
Timetable, Frankfurt am Main time
15:00LH 873 from Bergen at the gate
09:254Y 900 to Dubrovnik leaves the gate
18 h 25 apart on the timetable, overnight
4Y 900 leaves 18 h 25 after LH 873 arrives on the timetable: more than half a day, so not a connection we count.