RO 415 then FR 2766 at Madrid
Bucharest → Madrid → Prague
Timetable, Madrid time
11:25RO 415 from Bucharest at the gate
10:05FR 2766 to Prague leaves the gate
22 h 40 apart on the timetable, overnight
FR 2766 leaves 22 h 40 after RO 415 arrives on the timetable: more than half a day, so not a connection we count.