FR 6839 then FR 8377 at Manchester
Prague → Manchester → Budapest
Timetable, Manchester time
21:20FR 6839 from Prague at the gate
17:05FR 8377 to Budapest leaves the gate
19 h 45 apart on the timetable, overnight
FR 8377 leaves 19 h 45 after FR 6839 arrives on the timetable: more than half a day, so not a connection we count.