IZ 335 then BA 551 at Fiumicino
Tel Aviv → Rome → London Heathrow
Timetable, Rome time
17:40IZ 335 from Tel Aviv at the gate
13:15BA 551 to London Heathrow leaves the gate
19 h 35 apart on the timetable, overnight
BA 551 leaves 19 h 35 after IZ 335 arrives on the timetable: more than half a day, so not a connection we count.