FR 6839 then FI 441 at Manchester
Prague → Manchester → Reykjavík
Timetable, Manchester time
14:20FR 6839 from Prague at the gate
11:55FI 441 to Reykjavík leaves the gate
21 h 35 apart on the timetable, overnight
FI 441 leaves 21 h 35 after FR 6839 arrives on the timetable: more than half a day, so not a connection we count.