LH 73 then 4Y 900 at Frankfurt
Düsseldorf → Frankfurt am Main → Dubrovnik
Timetable, Frankfurt am Main time
11:05LH 73 from Düsseldorf at the gate
09:254Y 900 to Dubrovnik leaves the gate
22 h 20 apart on the timetable, overnight
4Y 900 leaves 22 h 20 after LH 73 arrives on the timetable: more than half a day, so not a connection we count.