AA 4588 then AS 41 at JFK
Cleveland → New York → San Francisco
Timetable, New York time
12:29AA 4588 from Cleveland at the gate
16:27AS 41 to San Francisco leaves the gate
3 h 58 apart on the timetable
The last days
AA 4588 and AS 41 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.