F9 1440 then WN 1737 at Salt Lake City
Phoenix Sky Harbor → Salt Lake City → Denver
Timetable, Salt Lake City time
08:33F9 1440 from Phoenix Sky Harbor at the gate
21:01WN 1737 to Denver leaves the gate
12 h 28 apart on the timetable
WN 1737 leaves 12 h 28 after F9 1440 arrives on the timetable: more than half a day, so not a connection we count.