WN 4752 then WN 1737 at Salt Lake City
Los Angeles → Salt Lake City → Denver
Timetable, Salt Lake City time
17:35WN 4752 from Los Angeles at the gate
15:10WN 1737 to Denver leaves the gate
21 h 35 apart on the timetable, overnight
WN 1737 leaves 21 h 35 after WN 4752 arrives on the timetable: more than half a day, so not a connection we count.