U2 2323 then LO 4704 at Barcelona
London Luton → Barcelona → Lisbon
Timetable, Barcelona time
20:10U2 2323 from London Luton at the gate
10:55LO 4704 to Lisbon leaves the gate
14 h 45 apart on the timetable, overnight
LO 4704 leaves 14 h 45 after U2 2323 arrives on the timetable: more than half a day, so not a connection we count.