WN 3752 then UA 1403 at Salt Lake City
San Diego → Salt Lake City → San Francisco
Timetable, Salt Lake City time
19:35WN 3752 from San Diego at the gate
16:34UA 1403 to San Francisco leaves the gate
20 h 59 apart on the timetable, overnight
UA 1403 leaves 20 h 59 after WN 3752 arrives on the timetable: more than half a day, so not a connection we count.