DL 763 then UA 6043 at LAX
Atlanta → Los Angeles → Seattle (SEA)
Timetable, Los Angeles time
19:55DL 763 from Atlanta at the gate
13:05UA 6043 to Seattle (SEA) leaves the gate
17 h 10 apart on the timetable, overnight
UA 6043 leaves 17 h 10 after DL 763 arrives on the timetable: more than half a day, so not a connection we count.