UA 4717 then AA 6296 at LAX
Phoenix Sky Harbor → Los Angeles → Tucson
Timetable, Los Angeles time
15:10UA 4717 from Phoenix Sky Harbor at the gate
09:56AA 6296 to Tucson leaves the gate
18 h 46 apart on the timetable, overnight
AA 6296 leaves 18 h 46 after UA 4717 arrives on the timetable: more than half a day, so not a connection we count.