IB 983 then LS 3107 at Gatwick
Madrid → London → Alicante
Timetable, London time
10:50IB 983 from Madrid at the gate
06:20LS 3107 to Alicante leaves the gate
19 h 30 apart on the timetable, overnight
LS 3107 leaves 19 h 30 after IB 983 arrives on the timetable: more than half a day, so not a connection we count.