BA 1303 then BA 273 at Heathrow
Aberdeen → London → San Diego
Timetable, London time
13:20BA 1303 from Aberdeen at the gate
12:45BA 273 to San Diego leaves the gate
23 h 25 apart on the timetable, overnight
BA 273 leaves 23 h 25 after BA 1303 arrives on the timetable: more than half a day, so not a connection we count.