VY 7670 then VY 7504 at Heathrow
Bilbao → London → Seville
Timetable, London time
15:30VY 7670 from Bilbao at the gate
15:15VY 7504 to Seville leaves the gate
23 h 45 apart on the timetable, overnight
VY 7504 leaves 23 h 45 after VY 7670 arrives on the timetable: more than half a day, so not a connection we count.