VY 7754 then LS 887 at Manchester
Barcelona → Manchester → Prague
Timetable, Manchester time
12:55VY 7754 from Barcelona at the gate
07:35LS 887 to Prague leaves the gate
18 h 40 apart on the timetable, overnight
LS 887 leaves 18 h 40 after VY 7754 arrives on the timetable: more than half a day, so not a connection we count.