UA 5355 then AA 1414 at Denver
Salt Lake City → Denver → Phoenix Sky Harbor
Timetable, Denver time
12:24UA 5355 from Salt Lake City at the gate
12:23AA 1414 to Phoenix Sky Harbor leaves the gate
23 h 59 apart on the timetable, overnight
AA 1414 leaves 23 h 59 after UA 5355 arrives on the timetable: more than half a day, so not a connection we count.