AF 8883 then UA 1341 at San Francisco
Los Angeles → San Francisco → Pittsburgh
Timetable, San Francisco time
21:34AF 8883 from Los Angeles at the gate
21:20UA 1341 to Pittsburgh leaves the gatealso NZ 9390
23 h 46 apart on the timetable, overnight
UA 1341 leaves 23 h 46 after AF 8883 arrives on the timetable: more than half a day, so not a connection we count.