TP 1923 then EC 7673 at Lisbon
Porto → Lisbon → Boa Vista
Timetable, Lisbon time
11:25TP 1923 from Porto at the gate
07:05EC 7673 to Boa Vista leaves the gate
19 h 40 apart on the timetable, overnight
EC 7673 leaves 19 h 40 after TP 1923 arrives on the timetable: more than half a day, so not a connection we count.