EI 386 then BA 970 at Heathrow
Shannon → London → Hamburg
Timetable, London time
18:55EI 386 from Shannon at the gate
18:25BA 970 to Hamburg leaves the gate
23 h 30 apart on the timetable, overnight
BA 970 leaves 23 h 30 after EI 386 arrives on the timetable: more than half a day, so not a connection we count.