BA 838 then FR 6875 at Dublin
London Heathrow → Dublin → Barcelona
Timetable, Dublin time
19:45BA 838 from London Heathrow at the gate
15:50FR 6875 to Barcelona leaves the gate
20 h 05 apart on the timetable, overnight
FR 6875 leaves 20 h 05 after BA 838 arrives on the timetable: more than half a day, so not a connection we count.