OZ 6344 then NZ 9166 at San Francisco
St Louis → San Francisco → Washington
Timetable, San Francisco time
10:36OZ 6344 from St Louis at the gate
23:20NZ 9166 to Washington leaves the gate
12 h 44 apart on the timetable
NZ 9166 leaves 12 h 44 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.