OZ 6344 then UA 2229 at San Francisco
St Louis → San Francisco → Philadelphia
Timetable, San Francisco time
21:41OZ 6344 from St Louis at the gate
14:30UA 2229 to Philadelphia leaves the gatealso CA 7330, NH 7362, NZ 9362
16 h 49 apart on the timetable, overnight
UA 2229 leaves 16 h 49 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.