FR 6945 then FR 6559 at Barcelona
Warsaw Modlin → Barcelona → Liverpool
Timetable, Barcelona time
17:00FR 6945 from Warsaw Modlin at the gate
12:50FR 6559 to Liverpool leaves the gate
19 h 50 apart on the timetable, overnight
FR 6559 leaves 19 h 50 after FR 6945 arrives on the timetable: more than half a day, so not a connection we count.