W6 1705 then U2 2324 at Barcelona
Gdansk → Barcelona → London Luton
Timetable, Barcelona time
19:35W6 1705 from Gdansk at the gate
10:20U2 2324 to London Luton leaves the gate
14 h 45 apart on the timetable, overnight
U2 2324 leaves 14 h 45 after W6 1705 arrives on the timetable: more than half a day, so not a connection we count.