U2 7638 then DS 1466 at Lisbon
Nantes → Lisbon → Geneva
Timetable, Lisbon time
22:45U2 7638 from Nantes at the gate
18:50DS 1466 to Geneva leaves the gate
20 h 05 apart on the timetable, overnight
DS 1466 leaves 20 h 05 after U2 7638 arrives on the timetable: more than half a day, so not a connection we count.