IB 834 then FR 2766 at Madrid
Athens → Madrid → Prague
Timetable, Madrid time
18:45IB 834 from Athens at the gatealso LA 1649, VY 5175, AT 5305
10:05FR 2766 to Prague leaves the gate
15 h 20 apart on the timetable, overnight
FR 2766 leaves 15 h 20 after IB 834 arrives on the timetable: more than half a day, so not a connection we count.