UA 374 then UA 684 at LAX
Chicago O'Hare → Los Angeles → Fresno
Timetable, Los Angeles time
16:40UA 374 from Chicago O'Hare at the gate
16:30UA 684 to Fresno leaves the gate
23 h 50 apart on the timetable, overnight
UA 684 leaves 23 h 50 after UA 374 arrives on the timetable: more than half a day, so not a connection we count.