EC 8382 then U2 8781 at Gatwick
Bordeaux → London → Prague
Timetable, London time
11:25EC 8382 from Bordeaux at the gate
07:10U2 8781 to Prague leaves the gate
19 h 45 apart on the timetable, overnight
U2 8781 leaves 19 h 45 after EC 8382 arrives on the timetable: more than half a day, so not a connection we count.