FR 2031 then FR 306 at Dublin
Krakow → Dublin → London Gatwick
Timetable, Dublin time
17:55FR 2031 from Krakow at the gate
14:45FR 306 to London Gatwick leaves the gate
20 h 50 apart on the timetable, overnight
FR 306 leaves 20 h 50 after FR 2031 arrives on the timetable: more than half a day, so not a connection we count.