KL 1946 then U2 7837 at Schiphol
Basel → Amsterdam → Edinburgh
Timetable, Amsterdam time
15:35KL 1946 from Basel at the gate
11:40U2 7837 to Edinburgh leaves the gate
20 h 05 apart on the timetable, overnight
U2 7837 leaves 20 h 05 after KL 1946 arrives on the timetable: more than half a day, so not a connection we count.