FR 5952 then FR 6814 at Manchester
Dubrovnik → Manchester → Madrid
Timetable, Manchester time
15:30FR 5952 from Dubrovnik at the gate
12:50FR 6814 to Madrid leaves the gate
21 h 20 apart on the timetable, overnight
FR 6814 leaves 21 h 20 after FR 5952 arrives on the timetable: more than half a day, so not a connection we count.