OZ 6344 then AV 2358 at San Francisco
St Louis → San Francisco → Salt Lake City
Timetable, San Francisco time
21:41OZ 6344 from St Louis at the gate
18:25AV 2358 to Salt Lake City leaves the gate
20 h 44 apart on the timetable, overnight
AV 2358 leaves 20 h 44 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.