IB 529 then TO 7821 at Lisbon
Madrid → Lisbon → Nantes
Timetable, Lisbon time
07:40IB 529 from Madrid at the gate
20:00TO 7821 to Nantes leaves the gate
12 h 20 apart on the timetable
TO 7821 leaves 12 h 20 after IB 529 arrives on the timetable: more than half a day, so not a connection we count.