BA 1449 then VY 7504 at Heathrow
Edinburgh → London → Seville
Timetable, London time
15:40BA 1449 from Edinburgh at the gate
15:15VY 7504 to Seville leaves the gate
23 h 35 apart on the timetable, overnight
VY 7504 leaves 23 h 35 after BA 1449 arrives on the timetable: more than half a day, so not a connection we count.