FR 9704 then EC 7667 at Lisbon
Vienna → Lisbon → Luxembourg
Timetable, Lisbon time
10:05FR 9704 from Vienna at the gate
07:45EC 7667 to Luxembourg leaves the gate
21 h 40 apart on the timetable, overnight
EC 7667 leaves 21 h 40 after FR 9704 arrives on the timetable: more than half a day, so not a connection we count.