BA 965 then LO 280 at Heathrow
Hamburg → London → Warsaw
Timetable, London time
21:30BA 965 from Hamburg at the gate
18:20LO 280 to Warsaw leaves the gate
20 h 50 apart on the timetable, overnight
LO 280 leaves 20 h 50 after BA 965 arrives on the timetable: more than half a day, so not a connection we count.