AM 644 then CX 3280 at LAX
Mexico City → Los Angeles → Portland (Oregon)
Timetable, Los Angeles time
12:00AM 644 from Mexico City at the gate
09:00CX 3280 to Portland (Oregon) leaves the gate
21 h apart on the timetable, overnight
CX 3280 leaves 21 h after AM 644 arrives on the timetable: more than half a day, so not a connection we count.