FR 8357 then FR 854 at Manchester
Budapest → Manchester → Porto
Timetable, Manchester time
19:50FR 8357 from Budapest at the gate
12:10FR 854 to Porto leaves the gate
16 h 20 apart on the timetable, overnight
FR 854 leaves 16 h 20 after FR 8357 arrives on the timetable: more than half a day, so not a connection we count.