TP 1354 then AC 889 at Heathrow
Lisbon → London → Ottawa
Timetable, London time
11:25TP 1354 from Lisbon at the gate
11:10AC 889 to Ottawa leaves the gate
23 h 45 apart on the timetable, overnight
AC 889 leaves 23 h 45 after TP 1354 arrives on the timetable: more than half a day, so not a connection we count.