DL 9923 then CX 3280 at LAX
Tucson → Los Angeles → Portland (Oregon)
Timetable, Los Angeles time
13:02DL 9923 from Tucson at the gate
10:45CX 3280 to Portland (Oregon) leaves the gate
21 h 43 apart on the timetable, overnight
CX 3280 leaves 21 h 43 after DL 9923 arrives on the timetable: more than half a day, so not a connection we count.