DL 3968 then AA 9789 at Seattle
Vancouver → Seattle → Phoenix
Timetable, Seattle time
16:53DL 3968 from Vancouver at the gate
14:00AA 9789 to Phoenix leaves the gate
21 h 07 apart on the timetable, overnight
AA 9789 leaves 21 h 07 after DL 3968 arrives on the timetable: more than half a day, so not a connection we count.