WN 3752 then WN 4349 at Salt Lake City
San Diego → Salt Lake City → Chicago Midway
Timetable, Salt Lake City time
19:35WN 3752 from San Diego at the gate
12:45WN 4349 to Chicago Midway leaves the gate
17 h 10 apart on the timetable, overnight
WN 4349 leaves 17 h 10 after WN 3752 arrives on the timetable: more than half a day, so not a connection we count.