AA 2423 then AV 2354 at San Francisco
Phoenix → San Francisco → Denver
Timetable, San Francisco time
13:30AA 2423 from Phoenix at the gatealso QR 7849
05:00AV 2354 to Denver leaves the gate
15 h 30 apart on the timetable, overnight
AV 2354 leaves 15 h 30 after AA 2423 arrives on the timetable: more than half a day, so not a connection we count.