AA 1454 then AA 3619 at DFW
Miami → Dallas-Fort Worth → Springfield
Timetable, Dallas-Fort Worth time
09:24AA 1454 from Miami at the gate
15:55AA 3619 to Springfield leaves the gate
6 h 31 apart on the timetable
The last days
AA 1454 and AA 3619 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.