LS 1720 then U2 2231 at Manchester
Catania → Manchester → Prague
Timetable, Manchester time
01:45LS 1720 from Catania at the gate
17:25U2 2231 to Prague leaves the gate
15 h 40 apart on the timetable
U2 2231 leaves 15 h 40 after LS 1720 arrives on the timetable: more than half a day, so not a connection we count.