WN 1889 then WN 4476 at Phoenix
Boise → Phoenix → Seattle
Timetable, Phoenix time
17:00WN 1889 from Boise at the gate
16:50WN 4476 to Seattle leaves the gate
23 h 50 apart on the timetable, overnight
WN 4476 leaves 23 h 50 after WN 1889 arrives on the timetable: more than half a day, so not a connection we count.