UA 321 then WN 2600 at Phoenix
Chicago O'Hare → Phoenix → Portland (Oregon)
Timetable, Phoenix time
12:24UA 321 from Chicago O'Hare at the gate
10:05WN 2600 to Portland (Oregon) leaves the gate
21 h 41 apart on the timetable, overnight
WN 2600 leaves 21 h 41 after UA 321 arrives on the timetable: more than half a day, so not a connection we count.