VS 20 then BA 470 at Heathrow
San Francisco → London → Palma de Mallorca
Timetable, London time
10:55VS 20 from San Francisco at the gate
08:00BA 470 to Palma de Mallorca leaves the gate
21 h 05 apart on the timetable, overnight
BA 470 leaves 21 h 05 after VS 20 arrives on the timetable: more than half a day, so not a connection we count.