WN 562 then DL 1940 at Denver
New York LaGuardia → Denver → Salt Lake City
Timetable, Denver time
18:35WN 562 from New York LaGuardia at the gate
16:00DL 1940 to Salt Lake City leaves the gate
21 h 25 apart on the timetable, overnight
DL 1940 leaves 21 h 25 after WN 562 arrives on the timetable: more than half a day, so not a connection we count.