OZ 6344 then ET 1359 at San Francisco
St Louis → San Francisco → Washington
Timetable, San Francisco time
10:36OZ 6344 from St Louis at the gate
22:55ET 1359 to Washington leaves the gate
12 h 19 apart on the timetable
ET 1359 leaves 12 h 19 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.