AA 3232 then UA 1627 at Houston
Phoenix → Houston → Washington National
Timetable, Houston time
23:54AA 3232 from Phoenix at the gate
18:13UA 1627 to Washington National leaves the gate
18 h 19 apart on the timetable, overnight
UA 1627 leaves 18 h 19 after AA 3232 arrives on the timetable: more than half a day, so not a connection we count.