WN 3286 then WN 2600 at Phoenix
St Louis → Phoenix → Portland (Oregon)
Timetable, Phoenix time
12:15WN 3286 from St Louis at the gate
10:05WN 2600 to Portland (Oregon) leaves the gate
21 h 50 apart on the timetable, overnight
WN 2600 leaves 21 h 50 after WN 3286 arrives on the timetable: more than half a day, so not a connection we count.