U2 8025 then V7 2273 at Madrid
London Gatwick → Madrid → Nantes
Timetable, Madrid time
20:30U2 8025 from London Gatwick at the gate
12:25V7 2273 to Nantes leaves the gate
15 h 55 apart on the timetable, overnight
V7 2273 leaves 15 h 55 after U2 8025 arrives on the timetable: more than half a day, so not a connection we count.