LX 1956 then FR 6973 at Barcelona
Zurich → Barcelona → Rome
Timetable, Barcelona time
19:05LX 1956 from Zurich at the gate
10:35FR 6973 to Rome leaves the gate
15 h 30 apart on the timetable, overnight
FR 6973 leaves 15 h 30 after LX 1956 arrives on the timetable: more than half a day, so not a connection we count.