OZ 6344 then UA 817 at San Francisco
St Louis → San Francisco → Mexico City
Timetable, San Francisco time
21:41OZ 6344 from St Louis at the gate
13:14UA 817 to Mexico City leaves the gatealso AC 5402, NH 7368, NZ 9823
15 h 33 apart on the timetable, overnight
UA 817 leaves 15 h 33 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.