DL 4808 then AF 2818 at JFK
Columbus (Ohio) → New York → San Francisco
Timetable, New York time
08:26DL 4808 from Columbus (Ohio) at the gate
19:30AF 2818 to San Francisco leaves the gate
11 h 04 apart on the timetable
The last days
DL 4808 and AF 2818 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.