AA 4478 then AA 3104 at Atlanta
New York LaGuardia → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
11:43AA 4478 from New York LaGuardia at the gate
14:58AA 3104 to Dallas-Fort Worth leaves the gate
3 h 15 apart on the timetable
The last days
AA 4478 and AA 3104 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.