UA 1572 then WN 270 at Phoenix
Denver → Phoenix → San Diego
Timetable, Phoenix time
11:44UA 1572 from Denver at the gate
10:10WN 270 to San Diego leaves the gate
22 h 26 apart on the timetable, overnight
WN 270 leaves 22 h 26 after UA 1572 arrives on the timetable: more than half a day, so not a connection we count.