UA 543 then AV 2352 at San Francisco
Chicago O'Hare → San Francisco → Burbank
Timetable, San Francisco time
13:30UA 543 from Chicago O'Hare at the gatealso AC 4163, VA 8089, NZ 9321
08:40AV 2352 to Burbank leaves the gate
19 h 10 apart on the timetable, overnight
AV 2352 leaves 19 h 10 after UA 543 arrives on the timetable: more than half a day, so not a connection we count.