OZ 6344 then WN 574 at San Francisco
St Louis → San Francisco → Nashville
Timetable, San Francisco time
10:36OZ 6344 from St Louis at the gate
22:50WN 574 to Nashville leaves the gate
12 h 14 apart on the timetable
WN 574 leaves 12 h 14 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.