DL 763 then AA 6438 at LAX
Atlanta → Los Angeles → Seattle (SEA)
Timetable, Los Angeles time
19:55DL 763 from Atlanta at the gate
12:20AA 6438 to Seattle (SEA) leaves the gate
16 h 25 apart on the timetable, overnight
AA 6438 leaves 16 h 25 after DL 763 arrives on the timetable: more than half a day, so not a connection we count.