UA 2315 then DL 507 at LAX
Fresno → Los Angeles → Boston
Timetable, Los Angeles time
09:02UA 2315 from Fresno at the gate
21:05DL 507 to Boston leaves the gate
12 h 03 apart on the timetable
DL 507 leaves 12 h 03 after UA 2315 arrives on the timetable: more than half a day, so not a connection we count.