AA 4115 then AA 1594 at Phoenix
Santa Rosa → Phoenix → Austin
Timetable, Phoenix time
19:40AA 4115 from Santa Rosa at the gate
13:58AA 1594 to Austin leaves the gate
18 h 18 apart on the timetable, overnight
AA 1594 leaves 18 h 18 after AA 4115 arrives on the timetable: more than half a day, so not a connection we count.