FR 463 then FR 5203 at Dublin
London Stansted → Dublin → Sofia
Timetable, Dublin time
09:05FR 463 from London Stansted at the gate
08:20FR 5203 to Sofia leaves the gate
23 h 15 apart on the timetable, overnight
FR 5203 leaves 23 h 15 after FR 463 arrives on the timetable: more than half a day, so not a connection we count.