OS 680 then FR 9480 at Vienna
Krakow → Vienna → Cologne
Timetable, Vienna time
15:45OS 680 from Krakow at the gate
14:00FR 9480 to Cologne leaves the gate
22 h 15 apart on the timetable, overnight
FR 9480 leaves 22 h 15 after OS 680 arrives on the timetable: more than half a day, so not a connection we count.