DL 990 then DL 4928 at Atlanta
New York LaGuardia → Atlanta → Huntsville
Timetable, Atlanta time
14:25DL 990 from New York LaGuardia at the gate
16:31DL 4928 to Huntsville leaves the gate
2 h 06 apart on the timetable
The last days
DL 990 and DL 4928 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.