OZ 6344 then AC 4014 at San Francisco
St Louis → San Francisco → Ontario
Timetable, San Francisco time
21:41OZ 6344 from St Louis at the gate
16:19AC 4014 to Ontario leaves the gate
18 h 38 apart on the timetable, overnight
AC 4014 leaves 18 h 38 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.