AA 791 then DL 5834 at Charlotte
Los Angeles → Charlotte → New York LaGuardia
Timetable, Charlotte time
05:01AA 791 from Los Angeles at the gate
11:58DL 5834 to New York LaGuardia leaves the gate
6 h 57 apart on the timetable
The last days
AA 791 and DL 5834 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.