OZ 6344 then JL 7546 at San Francisco
St Louis → San Francisco → Miami
Timetable, San Francisco time
21:41OZ 6344 from St Louis at the gate
12:04JL 7546 to Miami leaves the gate
14 h 23 apart on the timetable, overnight
JL 7546 leaves 14 h 23 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.