FR 6814 then SN 3728 at Madrid
Manchester → Madrid → Brussels
Timetable, Madrid time
23:55FR 6814 from Manchester at the gate
17:30SN 3728 to Brussels leaves the gate
17 h 35 apart on the timetable, overnight
SN 3728 leaves 17 h 35 after FR 6814 arrives on the timetable: more than half a day, so not a connection we count.