JL 7554 then AF 2673 at San Francisco
Los Angeles → San Francisco → Salt Lake City
Timetable, San Francisco time
20:27JL 7554 from Los Angeles at the gate
17:07AF 2673 to Salt Lake City leaves the gate
20 h 40 apart on the timetable, overnight
AF 2673 leaves 20 h 40 after JL 7554 arrives on the timetable: more than half a day, so not a connection we count.