AC 888 then EW 7465 at Heathrow
Ottawa → London → Hamburg
Timetable, London time
06:30AC 888 from Ottawa at the gate
19:20EW 7465 to Hamburg leaves the gate
12 h 50 apart on the timetable
EW 7465 leaves 12 h 50 after AC 888 arrives on the timetable: more than half a day, so not a connection we count.