AV 2347 then UA 5440 at San Francisco
Burbank → San Francisco → Santa Ana
Timetable, San Francisco time
20:08AV 2347 from Burbank at the gate
13:45UA 5440 to Santa Ana leaves the gate
17 h 37 apart on the timetable, overnight
UA 5440 leaves 17 h 37 after AV 2347 arrives on the timetable: more than half a day, so not a connection we count.