RJ 159 then OS 645 at Vienna
Amman → Vienna → Prague
Timetable, Vienna time
16:30RJ 159 from Amman at the gate
15:20OS 645 to Prague leaves the gate
22 h 50 apart on the timetable, overnight
OS 645 leaves 22 h 50 after RJ 159 arrives on the timetable: more than half a day, so not a connection we count.