FR 163 then FR 340 at Dublin
Rabat → Dublin → London Luton
Timetable, Dublin time
14:20FR 163 from Rabat at the gate
12:50FR 340 to London Luton leaves the gate
22 h 30 apart on the timetable, overnight
FR 340 leaves 22 h 30 after FR 163 arrives on the timetable: more than half a day, so not a connection we count.