WS 2575 then QR 768 at Toronto Pearson
Montego Bay → Toronto → Doha
Timetable, Toronto time
01:40WS 2575 from Montego Bay at the gate
20:10QR 768 to Doha leaves the gate
18 h 30 apart on the timetable
QR 768 leaves 18 h 30 after WS 2575 arrives on the timetable: more than half a day, so not a connection we count.