AA 678 then AA 9792 at Houston
Miami → Houston → Chicago
Timetable, Houston time
16:44AA 678 from Miami at the gate
23:30AA 9792 to Chicago leaves the gate
6 h 46 apart on the timetable
The last days
AA 678 and AA 9792 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.
Later flights to Chicago
No later flight to Chicago on the timetable.