EI 916 then BA 1452 at Heathrow
Knock → London → Edinburgh
Timetable, London time
14:30EI 916 from Knock at the gate
13:45BA 1452 to Edinburgh leaves the gate
23 h 15 apart on the timetable, overnight
BA 1452 leaves 23 h 15 after EI 916 arrives on the timetable: more than half a day, so not a connection we count.