U2 2104 then FR 6838 at Manchester
Nice → Manchester → Prague
Timetable, Manchester time
12:15U2 2104 from Nice at the gate
11:55FR 6838 to Prague leaves the gate
23 h 40 apart on the timetable, overnight
FR 6838 leaves 23 h 40 after U2 2104 arrives on the timetable: more than half a day, so not a connection we count.