BA 349 then EW 7465 at Heathrow
Nice → London → Hamburg
Timetable, London time
21:05BA 349 from Nice at the gate
19:20EW 7465 to Hamburg leaves the gate
22 h 15 apart on the timetable, overnight
EW 7465 leaves 22 h 15 after BA 349 arrives on the timetable: more than half a day, so not a connection we count.