AA 2304 then QX 9990 at LAX
Charlotte → Los Angeles → Seattle (SEA)
Timetable, Los Angeles time
08:57AA 2304 from Charlotte at the gate
21:32QX 9990 to Seattle (SEA) leaves the gate
12 h 35 apart on the timetable
QX 9990 leaves 12 h 35 after AA 2304 arrives on the timetable: more than half a day, so not a connection we count.