U2 2323 then FR 3035 at Barcelona
London Luton → Barcelona → Krakow
Timetable, Barcelona time
10:00U2 2323 from London Luton at the gate
09:35FR 3035 to Krakow leaves the gate
23 h 35 apart on the timetable, overnight
FR 3035 leaves 23 h 35 after U2 2323 arrives on the timetable: more than half a day, so not a connection we count.