AA 186 then AA 1594 at Phoenix
Cancún → Phoenix → Austin
Timetable, Phoenix time
18:38AA 186 from Cancún at the gate
13:58AA 1594 to Austin leaves the gate
19 h 20 apart on the timetable, overnight
AA 1594 leaves 19 h 20 after AA 186 arrives on the timetable: more than half a day, so not a connection we count.