FR 5309 then FR 290 at Dublin
Pisa → Dublin → London Stansted
Timetable, Dublin time
19:50FR 5309 from Pisa at the gate
17:50FR 290 to London Stansted leaves the gate
22 h apart on the timetable, overnight
FR 290 leaves 22 h after FR 5309 arrives on the timetable: more than half a day, so not a connection we count.