JL 7554 then AA 7561 at San Francisco
Los Angeles → San Francisco → Las Vegas
Timetable, San Francisco time
20:27JL 7554 from Los Angeles at the gate
19:19AA 7561 to Las Vegas leaves the gate
22 h 52 apart on the timetable, overnight
AA 7561 leaves 22 h 52 after JL 7554 arrives on the timetable: more than half a day, so not a connection we count.