WN 3752 then UA 4720 at Salt Lake City
San Diego → Salt Lake City → Denver
Timetable, Salt Lake City time
19:35WN 3752 from San Diego at the gate
13:04UA 4720 to Denver leaves the gate
17 h 29 apart on the timetable, overnight
UA 4720 leaves 17 h 29 after WN 3752 arrives on the timetable: more than half a day, so not a connection we count.