LX 1952 then FR 4587 at Barcelona
Zurich → Barcelona → Porto
Timetable, Barcelona time
09:05LX 1952 from Zurich at the gate
22:55FR 4587 to Porto leaves the gate
13 h 50 apart on the timetable
FR 4587 leaves 13 h 50 after LX 1952 arrives on the timetable: more than half a day, so not a connection we count.