DL 4036 then DL 9966 at Seattle
Redmond → Seattle → Los Angeles
Timetable, Seattle time
07:55DL 4036 from Redmond at the gate
20:00DL 9966 to Los Angeles leaves the gate
12 h 05 apart on the timetable
DL 9966 leaves 12 h 05 after DL 4036 arrives on the timetable: more than half a day, so not a connection we count.