EC 8630 then A0 461 at Gatwick
Berlin → London → Porto
Timetable, London time
19:10EC 8630 from Berlin at the gate
15:31A0 461 to Porto leaves the gate
20 h 21 apart on the timetable, overnight
A0 461 leaves 20 h 21 after EC 8630 arrives on the timetable: more than half a day, so not a connection we count.