W9 5776 then VY 7621 at Gatwick
Prague → London → Barcelona
Timetable, London time
21:20W9 5776 from Prague at the gate
19:35VY 7621 to Barcelona leaves the gate
22 h 15 apart on the timetable, overnight
VY 7621 leaves 22 h 15 after W9 5776 arrives on the timetable: more than half a day, so not a connection we count.