KL 1290 then U2 7815 at Schiphol
Billund → Amsterdam → Venezia
Timetable, Amsterdam time
07:20KL 1290 from Billund at the gate
07:00U2 7815 to Venezia leaves the gate
23 h 40 apart on the timetable, overnight
U2 7815 leaves 23 h 40 after KL 1290 arrives on the timetable: more than half a day, so not a connection we count.