AV 2347 then UA 1147 at San Francisco
Burbank → San Francisco → Chicago O'Hare
Timetable, San Francisco time
17:50AV 2347 from Burbank at the gate
15:20UA 1147 to Chicago O'Hare leaves the gatealso AC 4185, CA 7326, NZ 9313
21 h 30 apart on the timetable, overnight
UA 1147 leaves 21 h 30 after AV 2347 arrives on the timetable: more than half a day, so not a connection we count.