AA 3927 then AA 3899 at Phoenix
DES → Phoenix → Santa Rosa
Timetable, Phoenix time
20:33AA 3927 from DES at the gate
18:10AA 3899 to Santa Rosa leaves the gate
21 h 37 apart on the timetable, overnight
AA 3899 leaves 21 h 37 after AA 3927 arrives on the timetable: more than half a day, so not a connection we count.