UA 4717 then PD 664 at LAX
Phoenix Sky Harbor → Los Angeles → Toronto
Timetable, Los Angeles time
15:10UA 4717 from Phoenix Sky Harbor at the gate
13:35PD 664 to Toronto leaves the gate
22 h 25 apart on the timetable, overnight
PD 664 leaves 22 h 25 after UA 4717 arrives on the timetable: more than half a day, so not a connection we count.