FR 820 then FR 1791 at Lisbon
Milan Bergamo → Lisbon → Luxembourg
Timetable, Lisbon time
18:45FR 820 from Milan Bergamo at the gate
14:25FR 1791 to Luxembourg leaves the gate
19 h 40 apart on the timetable, overnight
FR 1791 leaves 19 h 40 after FR 820 arrives on the timetable: more than half a day, so not a connection we count.