UA 5355 then UA 2221 at Denver
Salt Lake City → Denver → Vancouver
Timetable, Denver time
12:24UA 5355 from Salt Lake City at the gate
11:48UA 2221 to Vancouver leaves the gate
23 h 24 apart on the timetable, overnight
UA 2221 leaves 23 h 24 after UA 5355 arrives on the timetable: more than half a day, so not a connection we count.