EC 8382 then U2 8315 at Gatwick
Bordeaux → London → Pisa
Timetable, London time
11:25EC 8382 from Bordeaux at the gate
10:20U2 8315 to Pisa leaves the gate
22 h 55 apart on the timetable, overnight
U2 8315 leaves 22 h 55 after EC 8382 arrives on the timetable: more than half a day, so not a connection we count.