SN 3815 then EC 7667 at Lisbon
Brussels → Lisbon → Luxembourg
Timetable, Lisbon time
12:45SN 3815 from Brussels at the gate
06:20EC 7667 to Luxembourg leaves the gate
17 h 35 apart on the timetable, overnight
EC 7667 leaves 17 h 35 after SN 3815 arrives on the timetable: more than half a day, so not a connection we count.