LH 63 then 4Y 900 at Frankfurt
Dresden → Frankfurt am Main → Dubrovnik
Timetable, Frankfurt am Main time
12:05LH 63 from Dresden at the gate
09:254Y 900 to Dubrovnik leaves the gate
21 h 20 apart on the timetable, overnight
4Y 900 leaves 21 h 20 after LH 63 arrives on the timetable: more than half a day, so not a connection we count.