DL 346 then WN 1037 at Denver
Atlanta → Denver → Phoenix Sky Harbor
Timetable, Denver time
09:30DL 346 from Atlanta at the gate
06:00WN 1037 to Phoenix Sky Harbor leaves the gate
20 h 30 apart on the timetable, overnight
WN 1037 leaves 20 h 30 after DL 346 arrives on the timetable: more than half a day, so not a connection we count.