EC 8382 then U2 8445 at Gatwick
Bordeaux → London → Nantes
Timetable, London time
11:25EC 8382 from Bordeaux at the gate
08:15U2 8445 to Nantes leaves the gate
20 h 50 apart on the timetable, overnight
U2 8445 leaves 20 h 50 after EC 8382 arrives on the timetable: more than half a day, so not a connection we count.