AA 2989 then AS 437 at LAX
Phoenix → Los Angeles → Puerto Vallarta
Timetable, Los Angeles time
09:58AA 2989 from Phoenix at the gate
09:35AS 437 to Puerto Vallarta leaves the gate
23 h 37 apart on the timetable, overnight
AS 437 leaves 23 h 37 after AA 2989 arrives on the timetable: more than half a day, so not a connection we count.