AA 9909 then UA 2224 at Phoenix
Salt Lake City → Phoenix → Houston
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
13:29UA 2224 to Houston leaves the gate
22 h 59 apart on the timetable, overnight
UA 2224 leaves 22 h 59 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.