AV 2347 then UA 2391 at San Francisco
Burbank → San Francisco → Cincinnati
Timetable, San Francisco time
20:08AV 2347 from Burbank at the gate
12:15UA 2391 to Cincinnati leaves the gatealso NZ 2853
16 h 07 apart on the timetable, overnight
UA 2391 leaves 16 h 07 after AV 2347 arrives on the timetable: more than half a day, so not a connection we count.