FR 8216 then FR 6330 at Barcelona
London Stansted → Barcelona → Sofia
Timetable, Barcelona time
23:55FR 8216 from London Stansted at the gate
17:15FR 6330 to Sofia leaves the gate
17 h 20 apart on the timetable, overnight
FR 6330 leaves 17 h 20 after FR 8216 arrives on the timetable: more than half a day, so not a connection we count.