WK 151 then BA 719 at Zurich
Marsa Alam → Zurich → London Heathrow
Timetable, Zurich time
20:05WK 151 from Marsa Alam at the gate
17:40BA 719 to London Heathrow leaves the gate
21 h 35 apart on the timetable, overnight
BA 719 leaves 21 h 35 after WK 151 arrives on the timetable: more than half a day, so not a connection we count.