WN 3723 then DL 1738 at Phoenix
San Diego → Phoenix → Salt Lake City
Timetable, Phoenix time
20:55WN 3723 from San Diego at the gate
18:20DL 1738 to Salt Lake City leaves the gate
21 h 25 apart on the timetable, overnight
DL 1738 leaves 21 h 25 after WN 3723 arrives on the timetable: more than half a day, so not a connection we count.