FR 31 then FR 1901 at Dublin
London Stansted → Dublin → Krakow
Timetable, Dublin time
09:40FR 31 from London Stansted at the gate
09:00FR 1901 to Krakow leaves the gate
23 h 20 apart on the timetable, overnight
FR 1901 leaves 23 h 20 after FR 31 arrives on the timetable: more than half a day, so not a connection we count.