DL 995 then 1I 447 at Atlanta
Denver → Atlanta → Charlotte
Timetable, Atlanta time
13:03DL 995 from Denver at the gate
17:061I 447 to Charlotte leaves the gate
4 h 03 apart on the timetable
The last days
DL 995 and 1I 447 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.