EI 3227 then FR 120 at Dublin
Glasgow → Dublin → London Gatwick
Timetable, Dublin time
17:20EI 3227 from Glasgow at the gate
11:40FR 120 to London Gatwick leaves the gate
18 h 20 apart on the timetable, overnight
FR 120 leaves 18 h 20 after EI 3227 arrives on the timetable: more than half a day, so not a connection we count.