DL 456 then 1I 436 at Atlanta
Boston → Atlanta → Chattanooga
Timetable, Atlanta time
11:58DL 456 from Boston at the gate
20:301I 436 to Chattanooga leaves the gate
8 h 32 apart on the timetable
The last days
DL 456 and 1I 436 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.