AC 8798 then AS 648 at Seattle
Vancouver → Seattle → Tucson
Timetable, Seattle time
09:27AC 8798 from Vancouver at the gate
08:58AS 648 to Tucson leaves the gate
23 h 31 apart on the timetable, overnight
AS 648 leaves 23 h 31 after AC 8798 arrives on the timetable: more than half a day, so not a connection we count.