AA 3232 then UA 1535 at Houston
Phoenix → Houston → Dallas-Fort Worth
Timetable, Houston time
23:54AA 3232 from Phoenix at the gate
18:05UA 1535 to Dallas-Fort Worth leaves the gate
18 h 11 apart on the timetable, overnight
UA 1535 leaves 18 h 11 after AA 3232 arrives on the timetable: more than half a day, so not a connection we count.