FR 839 then FR 5209 at Manchester
Porto → Manchester → Valletta
Timetable, Manchester time
11:40FR 839 from Porto at the gate
10:55FR 5209 to Valletta leaves the gate
23 h 15 apart on the timetable, overnight
FR 5209 leaves 23 h 15 after FR 839 arrives on the timetable: more than half a day, so not a connection we count.