FR 559 then FR 142 at Dublin
Manchester → Dublin → London Gatwick
Timetable, Dublin time
15:10FR 559 from Manchester at the gate
11:30FR 142 to London Gatwick leaves the gate
20 h 20 apart on the timetable, overnight
FR 142 leaves 20 h 20 after FR 559 arrives on the timetable: more than half a day, so not a connection we count.