FR 13 then SQ 387 at Barcelona
Vienna → Barcelona → Singapore
Timetable, Barcelona time
19:45FR 13 from Vienna at the gate
12:35SQ 387 to Singapore leaves the gate
16 h 50 apart on the timetable, overnight
SQ 387 leaves 16 h 50 after FR 13 arrives on the timetable: more than half a day, so not a connection we count.