DL 6751 then FR 3614 at Madrid
Culleredo → Madrid → Prague
Timetable, Madrid time
09:40DL 6751 from Culleredo at the gatealso AM 6962
06:10FR 3614 to Prague leaves the gate
20 h 30 apart on the timetable, overnight
FR 3614 leaves 20 h 30 after DL 6751 arrives on the timetable: more than half a day, so not a connection we count.