BA 1349 then VY 7504 at Heathrow
Saint Helier → London → Seville
Timetable, London time
16:20BA 1349 from Saint Helier at the gate
15:15VY 7504 to Seville leaves the gate
22 h 55 apart on the timetable, overnight
VY 7504 leaves 22 h 55 after BA 1349 arrives on the timetable: more than half a day, so not a connection we count.