SN 3727 then V7 2273 at Madrid
Brussels → Madrid → Nantes
Timetable, Madrid time
16:40SN 3727 from Brussels at the gate
12:25V7 2273 to Nantes leaves the gate
19 h 45 apart on the timetable, overnight
V7 2273 leaves 19 h 45 after SN 3727 arrives on the timetable: more than half a day, so not a connection we count.