WN 3752 then UA 6304 at Salt Lake City
San Diego → Salt Lake City → Houston
Timetable, Salt Lake City time
19:35WN 3752 from San Diego at the gate
13:14UA 6304 to Houston leaves the gate
17 h 39 apart on the timetable, overnight
UA 6304 leaves 17 h 39 after WN 3752 arrives on the timetable: more than half a day, so not a connection we count.