UA 335 then AC 756 at San Francisco
Eugene → San Francisco → Montréal
Timetable, San Francisco time
08:40UA 335 from Eugene at the gatealso NZ 9173
08:25AC 756 to Montréal leaves the gate
23 h 45 apart on the timetable, overnight
AC 756 leaves 23 h 45 after UA 335 arrives on the timetable: more than half a day, so not a connection we count.