EC 8512 then EC 8383 at Gatwick
Lisbon → London → Bordeaux
Timetable, London time
19:55EC 8512 from Lisbon at the gate
19:45EC 8383 to Bordeaux leaves the gate
23 h 50 apart on the timetable, overnight
EC 8383 leaves 23 h 50 after EC 8512 arrives on the timetable: more than half a day, so not a connection we count.