AA 3942 then AA 1594 at Phoenix
Oklahoma City → Phoenix → Austin
Timetable, Phoenix time
19:14AA 3942 from Oklahoma City at the gate
13:58AA 1594 to Austin leaves the gate
18 h 44 apart on the timetable, overnight
AA 1594 leaves 18 h 44 after AA 3942 arrives on the timetable: more than half a day, so not a connection we count.