EI 3551 then FR 1030 at Dublin
Edinburgh → Dublin → London Gatwick
Timetable, Dublin time
10:50EI 3551 from Edinburgh at the gate
09:35FR 1030 to London Gatwick leaves the gate
22 h 45 apart on the timetable, overnight
FR 1030 leaves 22 h 45 after EI 3551 arrives on the timetable: more than half a day, so not a connection we count.