VY 7505 then BA 574 at Heathrow
Seville → London → Milan Linate
Timetable, London time
15:30VY 7505 from Seville at the gate
14:40BA 574 to Milan Linate leaves the gate
23 h 10 apart on the timetable, overnight
BA 574 leaves 23 h 10 after VY 7505 arrives on the timetable: more than half a day, so not a connection we count.