TP 3961 then TP 482 at Lisbon
Porto → Lisbon → Nice
Timetable, Lisbon time
13:55TP 3961 from Porto at the gate
13:45TP 482 to Nice leaves the gate
23 h 50 apart on the timetable, overnight
TP 482 leaves 23 h 50 after TP 3961 arrives on the timetable: more than half a day, so not a connection we count.