UA 608 then AC 1927 at Toronto Pearson
San Francisco → Toronto → Winnipeg
Timetable, Toronto time
16:08UA 608 from San Francisco at the gate
08:35AC 1927 to Winnipeg leaves the gate
16 h 27 apart on the timetable, overnight
AC 1927 leaves 16 h 27 after UA 608 arrives on the timetable: more than half a day, so not a connection we count.