FR 2527 then GQ 921 at Madrid
Berlin → Madrid → Athens
Timetable, Madrid time
23:10FR 2527 from Berlin at the gate
14:20GQ 921 to Athens leaves the gate
15 h 10 apart on the timetable, overnight
GQ 921 leaves 15 h 10 after FR 2527 arrives on the timetable: more than half a day, so not a connection we count.