W9 5377 then FR 3049 at Barcelona
London Luton → Barcelona → Krakow
Timetable, Barcelona time
15:25W9 5377 from London Luton at the gate
09:25FR 3049 to Krakow leaves the gate
18 h apart on the timetable, overnight
FR 3049 leaves 18 h after W9 5377 arrives on the timetable: more than half a day, so not a connection we count.