UA 626 then AV 2352 at San Francisco
Nashville → San Francisco → Burbank
Timetable, San Francisco time
11:07UA 626 from Nashville at the gatealso VA 8093, NZ 9388
07:15AV 2352 to Burbank leaves the gate
20 h 08 apart on the timetable, overnight
AV 2352 leaves 20 h 08 after UA 626 arrives on the timetable: more than half a day, so not a connection we count.