EI 3221 then FR 1986 at Dublin
Glasgow → Dublin → Nantes
Timetable, Dublin time
09:40EI 3221 from Glasgow at the gate
05:45FR 1986 to Nantes leaves the gate
20 h 05 apart on the timetable, overnight
FR 1986 leaves 20 h 05 after EI 3221 arrives on the timetable: more than half a day, so not a connection we count.