CM 1431 then AI 184 at San Francisco
Redmond → San Francisco → Kolkata
Timetable, San Francisco time
21:19CM 1431 from Redmond at the gatealso UA 5534
18:35AI 184 to Kolkata leaves the gate
21 h 16 apart on the timetable, overnight
AI 184 leaves 21 h 16 after CM 1431 arrives on the timetable: more than half a day, so not a connection we count.