FR 122 then U2 8111 at Gatwick
Dublin → London → Alicante
Timetable, London time
21:05FR 122 from Dublin at the gate
17:25U2 8111 to Alicante leaves the gate
20 h 20 apart on the timetable, overnight
U2 8111 leaves 20 h 20 after FR 122 arrives on the timetable: more than half a day, so not a connection we count.