DL 8845 then DL 2595 at Atlanta
White Plains → Atlanta → Boston
Timetable, Atlanta time
10:52DL 8845 from White Plains at the gate
15:15DL 2595 to Boston leaves the gate
4 h 23 apart on the timetable
The last days
DL 8845 and DL 2595 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.