AA 386 then UA 5398 at LAX
Chicago O'Hare → Los Angeles → Monterey
Timetable, Los Angeles time
19:53AA 386 from Chicago O'Hare at the gate
19:10UA 5398 to Monterey leaves the gate
23 h 17 apart on the timetable, overnight
UA 5398 leaves 23 h 17 after AA 386 arrives on the timetable: more than half a day, so not a connection we count.