OS 272 then FR 947 at Vienna
Hannover → Vienna → Krakow
Timetable, Vienna time
11:50OS 272 from Hannover at the gate
08:30FR 947 to Krakow leaves the gate
20 h 40 apart on the timetable, overnight
FR 947 leaves 20 h 40 after OS 272 arrives on the timetable: more than half a day, so not a connection we count.