AS 401 then AA 1594 at Phoenix
Seattle → Phoenix → Austin
Timetable, Phoenix time
15:55AS 401 from Seattle at the gate
13:58AA 1594 to Austin leaves the gate
22 h 03 apart on the timetable, overnight
AA 1594 leaves 22 h 03 after AS 401 arrives on the timetable: more than half a day, so not a connection we count.