AA 3232 then UA 1927 at Houston
Phoenix → Houston → Nashville
Timetable, Houston time
23:54AA 3232 from Phoenix at the gate
20:36UA 1927 to Nashville leaves the gate
20 h 42 apart on the timetable, overnight
UA 1927 leaves 20 h 42 after AA 3232 arrives on the timetable: more than half a day, so not a connection we count.