OZ 6344 then IB 4503 at San Francisco
St Louis → San Francisco → Miami
Timetable, San Francisco time
21:41OZ 6344 from St Louis at the gate
12:04IB 4503 to Miami leaves the gatealso GF 6454
14 h 23 apart on the timetable, overnight
IB 4503 leaves 14 h 23 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.