FR 2031 then FR 7078 at Dublin
Krakow → Dublin → Porto
Timetable, Dublin time
17:55FR 2031 from Krakow at the gate
06:30FR 7078 to Porto leaves the gate
12 h 35 apart on the timetable, overnight
FR 7078 leaves 12 h 35 after FR 2031 arrives on the timetable: more than half a day, so not a connection we count.