WN 3752 then DL 702 at Salt Lake City
San Diego → Salt Lake City → Boston
Timetable, Salt Lake City time
19:35WN 3752 from San Diego at the gate
17:25DL 702 to Boston leaves the gate
21 h 50 apart on the timetable, overnight
DL 702 leaves 21 h 50 after WN 3752 arrives on the timetable: more than half a day, so not a connection we count.