SN 3721 then FR 2766 at Madrid
Brussels → Madrid → Prague
Timetable, Madrid time
11:45SN 3721 from Brussels at the gate
10:05FR 2766 to Prague leaves the gate
22 h 20 apart on the timetable, overnight
FR 2766 leaves 22 h 20 after SN 3721 arrives on the timetable: more than half a day, so not a connection we count.