WN 681 then WN 4402 at Phoenix
Nashville → Phoenix → Boise
Timetable, Phoenix time
08:10WN 681 from Nashville at the gate
07:45WN 4402 to Boise leaves the gate
23 h 35 apart on the timetable, overnight
WN 4402 leaves 23 h 35 after WN 681 arrives on the timetable: more than half a day, so not a connection we count.