VY 7505 then BA 584 at Heathrow
Seville → London → Milan Linate
Timetable, London time
15:30VY 7505 from Seville at the gate
13:15BA 584 to Milan Linate leaves the gate
21 h 45 apart on the timetable, overnight
BA 584 leaves 21 h 45 after VY 7505 arrives on the timetable: more than half a day, so not a connection we count.