FR 5020 then FR 5203 at Dublin
Pisa → Dublin → Sofia
Timetable, Dublin time
15:40FR 5020 from Pisa at the gate
11:25FR 5203 to Sofia leaves the gate
19 h 45 apart on the timetable, overnight
FR 5203 leaves 19 h 45 after FR 5020 arrives on the timetable: more than half a day, so not a connection we count.