AS 786 then DL 9966 at Seattle
Baltimore → Seattle → Los Angeles
Timetable, Seattle time
09:56AS 786 from Baltimore at the gate
05:00DL 9966 to Los Angeles leaves the gate
19 h 04 apart on the timetable, overnight
DL 9966 leaves 19 h 04 after AS 786 arrives on the timetable: more than half a day, so not a connection we count.