UA 405 then CX 3280 at LAX
Denver → Los Angeles → Portland (Oregon)
Timetable, Los Angeles time
11:29UA 405 from Denver at the gate
10:45CX 3280 to Portland (Oregon) leaves the gate
23 h 16 apart on the timetable, overnight
CX 3280 leaves 23 h 16 after UA 405 arrives on the timetable: more than half a day, so not a connection we count.