AA 3639 then AA 2909 at DFW
Dayton → Dallas-Fort Worth → Charlotte
Timetable, Dallas-Fort Worth time
08:01AA 3639 from Dayton at the gate
09:40AA 2909 to Charlotte leaves the gate
1 h 39 apart on the timetable
The last days
AA 3639 and AA 2909 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.