FR 5483 then UX 7701 at Madrid
Porto → Madrid → Barcelona
Timetable, Madrid time
08:30FR 5483 from Porto at the gate
07:30UX 7701 to Barcelona leaves the gate
23 h apart on the timetable, overnight
UX 7701 leaves 23 h after FR 5483 arrives on the timetable: more than half a day, so not a connection we count.