QR 2110 then AV 2352 at San Francisco
Santa Ana → San Francisco → Burbank
Timetable, San Francisco time
14:01QR 2110 from Santa Ana at the gatealso AA 7638
08:40AV 2352 to Burbank leaves the gate
18 h 39 apart on the timetable, overnight
AV 2352 leaves 18 h 39 after QR 2110 arrives on the timetable: more than half a day, so not a connection we count.