WN 409 then WN 1777 at Phoenix
Austin → Phoenix → San Diego
Timetable, Phoenix time
21:00WN 409 from Austin at the gate
09:10WN 1777 to San Diego leaves the gate
12 h 10 apart on the timetable, overnight
WN 1777 leaves 12 h 10 after WN 409 arrives on the timetable: more than half a day, so not a connection we count.