FR 6839 then U2 2263 at Manchester
Prague → Manchester → Krakow
Timetable, Manchester time
16:40FR 6839 from Prague at the gate
06:05U2 2263 to Krakow leaves the gate
13 h 25 apart on the timetable, overnight
U2 2263 leaves 13 h 25 after FR 6839 arrives on the timetable: more than half a day, so not a connection we count.