BA 487 then P4 7577 at Heathrow
Barcelona → London → Abuja
Timetable, London time
21:35BA 487 from Barcelona at the gate
21:10P4 7577 to Abuja leaves the gate
23 h 35 apart on the timetable, overnight
P4 7577 leaves 23 h 35 after BA 487 arrives on the timetable: more than half a day, so not a connection we count.