UA 1853 then UA 684 at LAX
Cleveland → Los Angeles → Seattle (SEA)
Timetable, Los Angeles time
20:27UA 1853 from Cleveland at the gate
18:52UA 684 to Seattle (SEA) leaves the gate
22 h 25 apart on the timetable, overnight
UA 684 leaves 22 h 25 after UA 1853 arrives on the timetable: more than half a day, so not a connection we count.