AA 331 then AA 660 at DFW
Louisville → Dallas-Fort Worth → Detroit
Timetable, Dallas-Fort Worth time
09:35AA 331 from Louisville at the gate
13:33AA 660 to Detroit leaves the gate
3 h 58 apart on the timetable
The last days
AA 331 and AA 660 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.