AA 637 then WN 4104 at Phoenix
Washington National → Phoenix → San Diego
Timetable, Phoenix time
20:28AA 637 from Washington National at the gate
19:30WN 4104 to San Diego leaves the gate
23 h 02 apart on the timetable, overnight
WN 4104 leaves 23 h 02 after AA 637 arrives on the timetable: more than half a day, so not a connection we count.