WN 893 then DL 1553 at Denver
Oklahoma City → Denver → Salt Lake City
Timetable, Denver time
18:35WN 893 from Oklahoma City at the gate
12:53DL 1553 to Salt Lake City leaves the gate
18 h 18 apart on the timetable, overnight
DL 1553 leaves 18 h 18 after WN 893 arrives on the timetable: more than half a day, so not a connection we count.