FR 557 then FR 3568 at Dublin
Manchester → Dublin → Santiago de Compostela
Timetable, Dublin time
18:55FR 557 from Manchester at the gate
18:50FR 3568 to Santiago de Compostela leaves the gate
23 h 55 apart on the timetable, overnight
FR 3568 leaves 23 h 55 after FR 557 arrives on the timetable: more than half a day, so not a connection we count.