LH 519 then 4Y 900 at Frankfurt
San José (Costa Rica) → Frankfurt am Main → Dubrovnik
Timetable, Frankfurt am Main time
14:35LH 519 from San José (Costa Rica) at the gate
09:254Y 900 to Dubrovnik leaves the gate
18 h 50 apart on the timetable, overnight
4Y 900 leaves 18 h 50 after LH 519 arrives on the timetable: more than half a day, so not a connection we count.