DL 813 then AA 1594 at Phoenix
Detroit → Phoenix → Austin
Timetable, Phoenix time
15:18DL 813 from Detroit at the gate
13:58AA 1594 to Austin leaves the gate
22 h 40 apart on the timetable, overnight
AA 1594 leaves 22 h 40 after DL 813 arrives on the timetable: more than half a day, so not a connection we count.