DL 8902 then DL 862 at Atlanta
Pittsburgh → Atlanta → Boston
Timetable, Atlanta time
01:22DL 8902 from Pittsburgh at the gate
11:10DL 862 to Boston leaves the gate
9 h 48 apart on the timetable
The last days
DL 8902 and DL 862 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.