EC 8402 then U2 8781 at Gatwick
Paris Charles de Gaulle → London → Prague
Timetable, London time
07:15EC 8402 from Paris Charles de Gaulle at the gate
07:10U2 8781 to Prague leaves the gate
23 h 55 apart on the timetable, overnight
U2 8781 leaves 23 h 55 after EC 8402 arrives on the timetable: more than half a day, so not a connection we count.