AA 5591 then AA 1590 at Houston
Dallas-Fort Worth → Houston → Charlotte
Timetable, Houston time
00:06AA 5591 from Dallas-Fort Worth at the gate
09:53AA 1590 to Charlotte leaves the gate
9 h 47 apart on the timetable
The last days
AA 5591 and AA 1590 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.