AA 1356 then AA 4335 at JFK
Las Vegas → New York → Cincinnati
Timetable, New York time
07:11AA 1356 from Las Vegas at the gate
13:59AA 4335 to Cincinnati leaves the gate
6 h 48 apart on the timetable
The last days
AA 1356 and AA 4335 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.