AA 1356 then DL 5458 at JFK
Las Vegas → New York → Charlotte
Timetable, New York time
07:11AA 1356 from Las Vegas at the gate
07:50DL 5458 to Charlotte leaves the gate
39 min apart on the timetable
The last days
AA 1356 and DL 5458 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.