U2 2104 then LS 949 at Manchester
Nice → Manchester → Krakow
Timetable, Manchester time
21:30U2 2104 from Nice at the gate
14:50LS 949 to Krakow leaves the gate
17 h 20 apart on the timetable, overnight
LS 949 leaves 17 h 20 after U2 2104 arrives on the timetable: more than half a day, so not a connection we count.