EI 173 then FR 6875 at Dublin
London Heathrow → Dublin → Barcelona
Timetable, Dublin time
19:05EI 173 from London Heathrow at the gate
11:20FR 6875 to Barcelona leaves the gate
16 h 15 apart on the timetable, overnight
FR 6875 leaves 16 h 15 after EI 173 arrives on the timetable: more than half a day, so not a connection we count.