FR 839 then FR 6630 at Manchester
Porto → Manchester → Cologne
Timetable, Manchester time
11:40FR 839 from Porto at the gate
10:45FR 6630 to Cologne leaves the gate
23 h 05 apart on the timetable, overnight
FR 6630 leaves 23 h 05 after FR 839 arrives on the timetable: more than half a day, so not a connection we count.