WN 758 then DL 4688 at Denver
Boise → Denver → Fargo
Timetable, Denver time
10:20WN 758 from Boise at the gate
09:50DL 4688 to Fargo leaves the gate
23 h 30 apart on the timetable, overnight
DL 4688 leaves 23 h 30 after WN 758 arrives on the timetable: more than half a day, so not a connection we count.