OS 246 then FR 947 at Vienna
Cologne → Vienna → Krakow
Timetable, Vienna time
11:10OS 246 from Cologne at the gate
08:30FR 947 to Krakow leaves the gate
21 h 20 apart on the timetable, overnight
FR 947 leaves 21 h 20 after OS 246 arrives on the timetable: more than half a day, so not a connection we count.