LO 279 then BA 938 at Heathrow
Warsaw → London → Düsseldorf
Timetable, London time
17:20LO 279 from Warsaw at the gate
17:15BA 938 to Düsseldorf leaves the gate
23 h 55 apart on the timetable, overnight
BA 938 leaves 23 h 55 after LO 279 arrives on the timetable: more than half a day, so not a connection we count.