U2 8526 then U2 8436 at Gatwick
Porto → London → Lyon
Timetable, London time
23:35U2 8526 from Porto at the gate
20:05U2 8436 to Lyon leaves the gate
20 h 30 apart on the timetable, overnight
U2 8436 leaves 20 h 30 after U2 8526 arrives on the timetable: more than half a day, so not a connection we count.