WN 3752 then DL 3808 at Salt Lake City
San Diego → Salt Lake City → Missoula
Timetable, Salt Lake City time
19:35WN 3752 from San Diego at the gate
16:06DL 3808 to Missoula leaves the gate
20 h 31 apart on the timetable, overnight
DL 3808 leaves 20 h 31 after WN 3752 arrives on the timetable: more than half a day, so not a connection we count.