AA 3903 then WN 4104 at Phoenix
Yuma → Phoenix → San Diego
Timetable, Phoenix time
21:14AA 3903 from Yuma at the gate
19:30WN 4104 to San Diego leaves the gate
22 h 16 apart on the timetable, overnight
WN 4104 leaves 22 h 16 after AA 3903 arrives on the timetable: more than half a day, so not a connection we count.