AV 2347 then DL 1715 at San Francisco
Burbank → San Francisco → Los Angeles
Timetable, San Francisco time
20:08AV 2347 from Burbank at the gate
14:47DL 1715 to Los Angeles leaves the gatealso AF 2778, LA 6420
18 h 39 apart on the timetable, overnight
DL 1715 leaves 18 h 39 after AV 2347 arrives on the timetable: more than half a day, so not a connection we count.