EC 8402 then IB 986 at Gatwick
Paris Charles de Gaulle → London → Madrid
Timetable, London time
07:30EC 8402 from Paris Charles de Gaulle at the gate
19:40IB 986 to Madrid leaves the gate
12 h 10 apart on the timetable
IB 986 leaves 12 h 10 after EC 8402 arrives on the timetable: more than half a day, so not a connection we count.