LH 1175 then 4Y 900 at Frankfurt
Porto → Frankfurt am Main → Dubrovnik
Timetable, Frankfurt am Main time
16:10LH 1175 from Porto at the gate
09:254Y 900 to Dubrovnik leaves the gate
17 h 15 apart on the timetable, overnight
4Y 900 leaves 17 h 15 after LH 1175 arrives on the timetable: more than half a day, so not a connection we count.