WN 2600 then AA 1618 at Phoenix
San Diego → Phoenix → Houston
Timetable, Phoenix time
12:25WN 2600 from San Diego at the gate
09:46AA 1618 to Houston leaves the gate
21 h 21 apart on the timetable, overnight
AA 1618 leaves 21 h 21 after WN 2600 arrives on the timetable: more than half a day, so not a connection we count.