WN 3752 then DL 1452 at Salt Lake City
San Diego → Salt Lake City → Spokane
Timetable, Salt Lake City time
11:35WN 3752 from San Diego at the gate
11:30DL 1452 to Spokane leaves the gate
23 h 55 apart on the timetable, overnight
DL 1452 leaves 23 h 55 after WN 3752 arrives on the timetable: more than half a day, so not a connection we count.