TP 1921 then EC 7667 at Lisbon
Porto → Lisbon → Luxembourg
Timetable, Lisbon time
09:30TP 1921 from Porto at the gate
06:20EC 7667 to Luxembourg leaves the gate
20 h 50 apart on the timetable, overnight
EC 7667 leaves 20 h 50 after TP 1921 arrives on the timetable: more than half a day, so not a connection we count.