AC 1770 then UA 203 at Phoenix
Vancouver → Phoenix → Washington
Timetable, Phoenix time
11:58AC 1770 from Vancouver at the gate
23:59UA 203 to Washington leaves the gate
12 h 01 apart on the timetable
UA 203 leaves 12 h 01 after AC 1770 arrives on the timetable: more than half a day, so not a connection we count.