FR 4167 then FR 1791 at Lisbon
Vienna → Lisbon → Luxembourg
Timetable, Lisbon time
16:25FR 4167 from Vienna at the gate
16:20FR 1791 to Luxembourg leaves the gate
23 h 55 apart on the timetable, overnight
FR 1791 leaves 23 h 55 after FR 4167 arrives on the timetable: more than half a day, so not a connection we count.