TP 1929 then FR 1798 at Lisbon
Porto → Lisbon → Toulouse
Timetable, Lisbon time
15:40TP 1929 from Porto at the gate
10:55FR 1798 to Toulouse leaves the gate
19 h 15 apart on the timetable, overnight
FR 1798 leaves 19 h 15 after TP 1929 arrives on the timetable: more than half a day, so not a connection we count.