AA 6354 then AA 3899 at Phoenix
St George → Phoenix → Santa Rosa
Timetable, Phoenix time
19:25AA 6354 from St George at the gate
18:10AA 3899 to Santa Rosa leaves the gate
22 h 45 apart on the timetable, overnight
AA 3899 leaves 22 h 45 after AA 6354 arrives on the timetable: more than half a day, so not a connection we count.