UA 1689 then WN 4091 at LAX
Washington → Los Angeles → Oakland
Timetable, Los Angeles time
15:32UA 1689 from Washington at the gate
14:30WN 4091 to Oakland leaves the gate
22 h 58 apart on the timetable, overnight
WN 4091 leaves 22 h 58 after UA 1689 arrives on the timetable: more than half a day, so not a connection we count.