AA 6438 then DL 2457 at LAX
Seattle (SEA) → Los Angeles → Portland (Oregon)
Timetable, Los Angeles time
19:33AA 6438 from Seattle (SEA) at the gate
18:30DL 2457 to Portland (Oregon) leaves the gate
22 h 57 apart on the timetable, overnight
DL 2457 leaves 22 h 57 after AA 6438 arrives on the timetable: more than half a day, so not a connection we count.