AA 1918 then AA 2896 at O'Hare
Miami → Chicago → Dallas-Fort Worth
Timetable, Chicago time
23:56AA 1918 from Miami at the gate
06:00AA 2896 to Dallas-Fort Worth leaves the gate
6 h 04 apart on the timetable, overnight
The last days
AA 1918 and AA 2896 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.