AF 8883 then AI 184 at San Francisco
Los Angeles → San Francisco → Kolkata
Timetable, San Francisco time
21:34AF 8883 from Los Angeles at the gate
18:35AI 184 to Kolkata leaves the gate
21 h 01 apart on the timetable, overnight
AI 184 leaves 21 h 01 after AF 8883 arrives on the timetable: more than half a day, so not a connection we count.