CM 1430 then AI 184 at San Francisco
Redding → San Francisco → Kolkata
Timetable, San Francisco time
19:55CM 1430 from Redding at the gate
18:35AI 184 to Kolkata leaves the gate
22 h 40 apart on the timetable, overnight
AI 184 leaves 22 h 40 after CM 1430 arrives on the timetable: more than half a day, so not a connection we count.