DL 500 then QX 9990 at LAX
Atlanta → Los Angeles → Seattle (SEA)
Timetable, Los Angeles time
21:35DL 500 from Atlanta at the gate
21:32QX 9990 to Seattle (SEA) leaves the gate
23 h 57 apart on the timetable, overnight
QX 9990 leaves 23 h 57 after DL 500 arrives on the timetable: more than half a day, so not a connection we count.