WN 1759 then DL 1451 at Phoenix
Denver → Phoenix → Salt Lake City
Timetable, Phoenix time
20:15WN 1759 from Denver at the gate
20:11DL 1451 to Salt Lake City leaves the gate
23 h 56 apart on the timetable, overnight
DL 1451 leaves 23 h 56 after WN 1759 arrives on the timetable: more than half a day, so not a connection we count.