UA 709 then WN 3502 at Phoenix
Washington → Phoenix → San Diego
Timetable, Phoenix time
11:33UA 709 from Washington at the gate
11:10WN 3502 to San Diego leaves the gate
23 h 37 apart on the timetable, overnight
WN 3502 leaves 23 h 37 after UA 709 arrives on the timetable: more than half a day, so not a connection we count.