DL 823 then OZ 6303 at San Francisco
Atlanta → San Francisco → Chicago O'Hare
Timetable, San Francisco time
17:16DL 823 from Atlanta at the gatealso AF 2495, AM 3256, LA 6318
17:10OZ 6303 to Chicago O'Hare leaves the gate
23 h 54 apart on the timetable, overnight
OZ 6303 leaves 23 h 54 after DL 823 arrives on the timetable: more than half a day, so not a connection we count.