AA 2278 then AF 2842 at JFK
Charlotte → New York → Washington
Timetable, New York time
09:30AA 2278 from Charlotte at the gate
10:30AF 2842 to Washington leaves the gate
1 h apart on the timetable
The last days
AA 2278 and AF 2842 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.