FR 3319 then W9 5378 at Barcelona
Milan Bergamo → Barcelona → London Luton
Timetable, Barcelona time
17:40FR 3319 from Milan Bergamo at the gate
16:10W9 5378 to London Luton leaves the gate
22 h 30 apart on the timetable, overnight
W9 5378 leaves 22 h 30 after FR 3319 arrives on the timetable: more than half a day, so not a connection we count.