AV 2347 then OZ 6303 at San Francisco
Burbank → San Francisco → Chicago O'Hare
Timetable, San Francisco time
20:08AV 2347 from Burbank at the gate
17:10OZ 6303 to Chicago O'Hare leaves the gate
21 h 02 apart on the timetable, overnight
OZ 6303 leaves 21 h 02 after AV 2347 arrives on the timetable: more than half a day, so not a connection we count.