UA 684 then UA 4754 at LAX
Fort Lauderdale → Los Angeles → Sacramento
Timetable, Los Angeles time
17:40UA 684 from Fort Lauderdale at the gate
16:30UA 4754 to Sacramento leaves the gate
22 h 50 apart on the timetable, overnight
UA 4754 leaves 22 h 50 after UA 684 arrives on the timetable: more than half a day, so not a connection we count.