KL 1646 then U2 7837 at Schiphol
Genova → Amsterdam → Edinburgh
Timetable, Amsterdam time
16:05KL 1646 from Genova at the gate
11:15U2 7837 to Edinburgh leaves the gate
19 h 10 apart on the timetable, overnight
U2 7837 leaves 19 h 10 after KL 1646 arrives on the timetable: more than half a day, so not a connection we count.