FR 6839 then LS 947 at Manchester
Prague → Manchester → Napoli
Timetable, Manchester time
21:20FR 6839 from Prague at the gate
14:40LS 947 to Napoli leaves the gate
17 h 20 apart on the timetable, overnight
LS 947 leaves 17 h 20 after FR 6839 arrives on the timetable: more than half a day, so not a connection we count.