WN 254 then WN 3504 at Phoenix
Atlanta → Phoenix → San Diego
Timetable, Phoenix time
08:05WN 254 from Atlanta at the gate
08:00WN 3504 to San Diego leaves the gate
23 h 55 apart on the timetable, overnight
WN 3504 leaves 23 h 55 after WN 254 arrives on the timetable: more than half a day, so not a connection we count.