AF 8883 then UA 1577 at San Francisco
Los Angeles → San Francisco → San Diego
Timetable, San Francisco time
21:34AF 8883 from Los Angeles at the gate
18:55UA 1577 to San Diego leaves the gatealso LX 3310, AZ 4505, AC 5188, VA 8427, LH 9370
21 h 21 apart on the timetable, overnight
UA 1577 leaves 21 h 21 after AF 8883 arrives on the timetable: more than half a day, so not a connection we count.