U2 2921 then U2 7823 at Schiphol
Bristol → Amsterdam → Palermo
Timetable, Amsterdam time
10:00U2 2921 from Bristol at the gate
07:40U2 7823 to Palermo leaves the gate
21 h 40 apart on the timetable, overnight
U2 7823 leaves 21 h 40 after U2 2921 arrives on the timetable: more than half a day, so not a connection we count.