AC 739 then AV 2354 at San Francisco
Toronto → San Francisco → Denver
Timetable, San Francisco time
11:10AC 739 from Toronto at the gatealso NZ 4733, UA 8698
05:00AV 2354 to Denver leaves the gate
17 h 50 apart on the timetable, overnight
AV 2354 leaves 17 h 50 after AC 739 arrives on the timetable: more than half a day, so not a connection we count.