UA 489 then WN 1037 at Denver
Santa Ana → Denver → Phoenix Sky Harbor
Timetable, Denver time
12:06UA 489 from Santa Ana at the gate
06:00WN 1037 to Phoenix Sky Harbor leaves the gate
17 h 54 apart on the timetable, overnight
WN 1037 leaves 17 h 54 after UA 489 arrives on the timetable: more than half a day, so not a connection we count.