OS 680 then FR 1565 at Vienna
Krakow → Vienna → Catania
Timetable, Vienna time
15:45OS 680 from Krakow at the gate
07:45FR 1565 to Catania leaves the gate
16 h apart on the timetable, overnight
FR 1565 leaves 16 h after OS 680 arrives on the timetable: more than half a day, so not a connection we count.