FR 3613 then FR 1206 at Madrid
Prague → Madrid → Venezia
Timetable, Madrid time
18:10FR 3613 from Prague at the gate
09:30FR 1206 to Venezia leaves the gate
15 h 20 apart on the timetable, overnight
FR 1206 leaves 15 h 20 after FR 3613 arrives on the timetable: more than half a day, so not a connection we count.