UA 935 then DL 2457 at LAX
London → Los Angeles → Portland (Oregon)
Timetable, Los Angeles time
18:45UA 935 from London at the gate
18:30DL 2457 to Portland (Oregon) leaves the gate
23 h 45 apart on the timetable, overnight
DL 2457 leaves 23 h 45 after UA 935 arrives on the timetable: more than half a day, so not a connection we count.