DL 9936 then DL 436 at Atlanta
ILN → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
15:29DL 9936 from ILN at the gate
17:26DL 436 to Dallas-Fort Worth leaves the gate
1 h 57 apart on the timetable
The last days
DL 9936 and DL 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.