GQ 761 then A3 862 at Athens
Prague → Athens → Vienna
Timetable, Athens time
17:40GQ 761 from Prague at the gate
16:20A3 862 to Vienna leaves the gate
22 h 40 apart on the timetable, overnight
A3 862 leaves 22 h 40 after GQ 761 arrives on the timetable: more than half a day, so not a connection we count.