U2 7644 then FR 1768 at Lisbon
Zurich → Lisbon → Valencia
Timetable, Lisbon time
16:50U2 7644 from Zurich at the gate
14:25FR 1768 to Valencia leaves the gate
21 h 35 apart on the timetable, overnight
FR 1768 leaves 21 h 35 after U2 7644 arrives on the timetable: more than half a day, so not a connection we count.