UA 1243 then LY 4489 at San Francisco
Puerto Vallarta → San Francisco → Los Angeles
Timetable, San Francisco time
16:32UA 1243 from Puerto Vallarta at the gatealso AC 5311
07:05LY 4489 to Los Angeles leaves the gate
14 h 33 apart on the timetable, overnight
LY 4489 leaves 14 h 33 after UA 1243 arrives on the timetable: more than half a day, so not a connection we count.