AC 4339 then AV 2354 at San Francisco
Fresno → San Francisco → Denver
Timetable, San Francisco time
13:15AC 4339 from Fresno at the gate
05:00AV 2354 to Denver leaves the gate
15 h 45 apart on the timetable, overnight
AV 2354 leaves 15 h 45 after AC 4339 arrives on the timetable: more than half a day, so not a connection we count.