FR 6921 then FR 3035 at Barcelona
Dublin → Barcelona → Krakow
Timetable, Barcelona time
21:40FR 6921 from Dublin at the gate
20:35FR 3035 to Krakow leaves the gate
22 h 55 apart on the timetable, overnight
FR 3035 leaves 22 h 55 after FR 6921 arrives on the timetable: more than half a day, so not a connection we count.