AA 2455 then CX 3280 at LAX
Boston → Los Angeles → Portland (Oregon)
Timetable, Los Angeles time
11:28AA 2455 from Boston at the gate
09:00CX 3280 to Portland (Oregon) leaves the gate
21 h 32 apart on the timetable, overnight
CX 3280 leaves 21 h 32 after AA 2455 arrives on the timetable: more than half a day, so not a connection we count.