WN 2115 then UA 5970 at Salt Lake City
Denver → Salt Lake City → San Francisco
Timetable, Salt Lake City time
10:30WN 2115 from Denver at the gate
09:04UA 5970 to San Francisco leaves the gate
22 h 34 apart on the timetable, overnight
UA 5970 leaves 22 h 34 after WN 2115 arrives on the timetable: more than half a day, so not a connection we count.