FR 1026 then FR 1986 at Dublin
Budapest → Dublin → Nantes
Timetable, Dublin time
12:40FR 1026 from Budapest at the gate
05:45FR 1986 to Nantes leaves the gate
17 h 05 apart on the timetable, overnight
FR 1986 leaves 17 h 05 after FR 1026 arrives on the timetable: more than half a day, so not a connection we count.