WN 760 then WN 451 at Denver
Boise → Denver → Tulsa
Timetable, Denver time
17:45WN 760 from Boise at the gate
17:35WN 451 to Tulsa leaves the gate
23 h 50 apart on the timetable, overnight
WN 451 leaves 23 h 50 after WN 760 arrives on the timetable: more than half a day, so not a connection we count.