UA 3941 then AM 4469 at San Francisco
Washington → San Francisco → New York JFK
Timetable, San Francisco time
14:07UA 3941 from Washington at the gate
20:50AM 4469 to New York JFK leaves the gate
6 h 43 apart on the timetable
The last days
UA 3941 and AM 4469 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.