DL 1738 then WN 4476 at Phoenix
Salt Lake City → Phoenix → Seattle
Timetable, Phoenix time
17:14DL 1738 from Salt Lake City at the gate
16:50WN 4476 to Seattle leaves the gate
23 h 36 apart on the timetable, overnight
WN 4476 leaves 23 h 36 after DL 1738 arrives on the timetable: more than half a day, so not a connection we count.