LH 3589 then 4Y 900 at Frankfurt
DTZ → Frankfurt am Main → Dubrovnik
Timetable, Frankfurt am Main time
16:20LH 3589 from DTZ at the gate
09:254Y 900 to Dubrovnik leaves the gate
17 h 05 apart on the timetable, overnight
4Y 900 leaves 17 h 05 after LH 3589 arrives on the timetable: more than half a day, so not a connection we count.