DL 1807 then DL 1309 at Atlanta
Roatán → Atlanta → Washington
Timetable, Atlanta time
19:10DL 1807 from Roatán at the gate
19:49DL 1309 to Washington leaves the gate
39 min apart on the timetable
The last days
DL 1807 and DL 1309 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.