FR 3793 then FR 6559 at Barcelona
Birmingham (UK) → Barcelona → Liverpool
Timetable, Barcelona time
16:30FR 3793 from Birmingham (UK) at the gate
12:50FR 6559 to Liverpool leaves the gate
20 h 20 apart on the timetable, overnight
FR 6559 leaves 20 h 20 after FR 3793 arrives on the timetable: more than half a day, so not a connection we count.