FR 6558 then FR 4084 at Barcelona
Liverpool → Barcelona → Warsaw Modlin
Timetable, Barcelona time
20:45FR 6558 from Liverpool at the gate
19:45FR 4084 to Warsaw Modlin leaves the gate
23 h apart on the timetable, overnight
FR 4084 leaves 23 h after FR 6558 arrives on the timetable: more than half a day, so not a connection we count.