W9 5776 then U2 8513 at Gatwick
Prague → London → Lisbon
Timetable, London time
23:55W9 5776 from Prague at the gate
20:20U2 8513 to Lisbon leaves the gate
20 h 25 apart on the timetable, overnight
U2 8513 leaves 20 h 25 after W9 5776 arrives on the timetable: more than half a day, so not a connection we count.